Stryd renews its race power meter

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Stryd is announcing a new version of his power meter today. If you remember, the first version was initially launched through the Kickstarter platform. Originally it was a device that was placed with a clip attached to the trousers. Finally the project changed slightly the focus and the format was modified; becoming a pulse sensor to be placed on the chest that besides offering the same possibilities of a traditional pulse sensor (i.e. sending heart rate data), its main function was to offer power data and send it to an external device through Bluetooth or ANT+.

Stryd's beginnings were complicated. Since it was a sensor, it needed another device to record the data for later synchronization. But the clocks were not set up to do this reliably, so apart from the mobile application they offered at first there were not many convenient options for getting the data on the run.

Fortunately, Stryd and some watch manufacturers have been introducing improvements to make room for this new race power meter. Stryd has also enabled a recording function directly on the pulse sensor itself, so it is no longer necessary to even have a watch to synchronize power data after training is over, and everything is recorded on the sensor itself and can be downloaded via your mobile application (but without a GPS track, of course).

Well, that was the original device and I have had a unit from the beginning as I was one of the original buyers. I had to offer you the full test, so you could see first hand what Stryd is capable of. So... how about before you meet the new model, you know everything about Stryd?

Stryd, the device

The initial model that's been selling so far, called the Pioneer, is quite simple. At least at first glance.

Stryd Pioneer

Camouflaged as a pulse sensor, inside it has several accelerometers to model your body in 3D, along with a dozen parameters such as time of contact with the ground, impact, etc.. To all these variables is also added altitude data collected by a barometric altimeter to determine changes in slope and that the device knows if you're climbing a hill (you need more power) or descending (otherwise).

But instead of displaying all that data which the vast majority of us don't know what to do with, Stryd presents us with just one number: power. This, along with the heart rate data, is sent via ANT+ or Bluetooth (simultaneously) to an external device that records the activity.

Stryd Pioneer

Todo son elementos bastante sencillos, ¿verdad? Cierto, pero es que la magia de Stryd no reside en un hardware revolucionario (que estaría acompañado también por un precio «revolucionario»), sino que son los algoritmos que han creado para generar ese dato de potencia donde esta la magia.

But remember, this pulse sensor is the first device they launched on the marketHowever, the reason for telling you all this is so that you and I can start from the same point.

What does Stryd bring to the table?

As you have seen, Stryd is the first running power meter. It measures more than a dozen metrics determining sports performance capacity, technique and muscle strength; in addition to measuring environmental variables. It will take into account variables such as rhythm, cadence, vertical oscillation, time in contact with the ground, impact, etc. All these are metrics that are already known by all of you through other products, for example Garmin's career dynamics.

Where Stryd's magic lies is that they are able to work with all of these variables (and a few others like weight, height, altitude, etc.) and translate it all into one number. A power data will indicate if you are training at the right intensity on a particular day, regardless of external variables (like slopes, softer terrain, or differences in temperature). Not only that, that power data will also serve to know if specific running technique and strength exercises are improving your efficiency as a runner.

Asking Stryd's managers whether they had considered using direct force measurement (e.g. through templates inside shoes), they confirmed that they had indeed tested a prototype in the form of a template, but concluded that such sensors are quite expensive and also suffer from wear and tear. The final decision they made was that it would not provide a good experience in daily use.


So, what benefits can you get from Stryd? Well, apart from following specific power-based training (something that is not overly developed at the moment because of the novelty of the concept), there are other factors that it can help you with, and that I can think of at the moment, for example:

  • It's a tremendous help in establishing pace strategies, especially in races that aren't entirely flat. Just like cycling, you can plan a 30km mountain race at 350W power. By planning your effort around power rather than race pace, you can make a constant effort throughout the race, avoiding getting burned out too early or having to regret it at the end of the race because you're barely tired and think you could have performed better.
  • It helps you to improve your running technique, looking for a more efficient running position. It seems unbelievable the difference in power that can be found in the simple fact of carrying the back more or less straight. Or reducing the size of the stride to increase the cadence. Believe me, it is a remarkable difference in numbers.
  • One thing I've been using Stryd quite often lately is when doing progressive-regressive training. By focusing on power training rather than pace it's much easier to progressively increase the effort. Something that is practically impossible to do correctly if we look at the heart rate (because heat, fatigue, hydration, etc. influence it) and that doing it with respect to pace is also difficult because of the delay in updating the data by having to wait for the clock to adjust to the GPS data.
  • It's just another way of keeping track of your athletic progression. Because if at the same pace you now consume less energy and are more efficient, you'll be faster, right? And this can happen by losing weight, improving your muscles through specific exercises, or improving your running technique.

These are just a few examples, but there can be many more: immediacy of data, possibilities of comparison, etc.

The only thing that is certain is that Stryd has improved greatly in the year and a half that he has been with us thanks to how he has been integrated with the different platforms. But we can see that better in a new section.

How Stryd has evolved to date

Stryd has undergone a series of much-needed updates, both on its own platform and thanks to third parties, but when it starts to take off is when you can not only see the power in real time, but when the data processing is comfortable.

At first the activities had to be recorded as if they were a cycling trip, and then we had to manually change the type of activity to running. But according to the platform, power data was lost if we made the change... A mess. Luckily things have changed.


The first manufacturer to adapt to this new way of training was Suunto, updating the firmware of their Ambit2 and Ambit3 to natively support the power meter. At first it was necessary to pair Stryd in duplicate: once as a power meter and once as a pulse sensor (via Bluetooth). Then both had to be connected before running.

The advantage is that Suunto already supported the use of a power meter in the running profile, so there was no need to record the activity as cycling. Despite that, Suunto updated the firmware to correctly identify Stryd, and from that moment on the operation is completely transparent. You pair the pulse sensor and you are ready to train.

Even Suunto started using Stryd compatibility as part of their advertising at the launch of the Ambit3 Vertical and of the SpartanThe latter are, of course, compatible with Stryd from the outset.

Because it is integrated into the watch itself, you can set up any running profile you want with power data you are more used to in cycling such as instantaneous power or average power over a period of time; much more interesting to avoid the large variability this metric has if you look at it in instantaneous power.

Stryd - Suunto

Having the possibility to see that data live is a very important part, but it is not everything. The best thing is that the clock records the power data in the FIT file of the activity and when synchronized with Movescount we can have access to all the data of the activity, including of course the power data.

This means that you don't even have to learn to use another platform to draw conclusions from your training and competitions - everything is integrated into the Suunto platform.

Stryd - Movescount

As you can see in the screenshot, among the many data that you can consult in the Movescount panel you will find the average power of the activity (and the maximum power).

But that's not all, because you will also be able to see the graph and compare the power with the other variables to see if and when fatigue affects your efficiency. This will be easy to see, since it is common that when fatigue enters the scene the running technique is affected, so at the same rate the power will be higher. This will happen in longer training sessions or series repetitions.

En este ejemplo podrás ver cómo se comporta en un entrenamiento a ritmo constante (con unos últimos metros a ritmo progresivo). Puedes ver que al inicio de la actividad la potencia es algo más alta a pesar de llevar un ritmo constante. Lo único que te puedo decir al respecto es que me costó empezar el entrenamiento, iba con sensación de «arrastrarme».

When I woke up, I increased the step frequency by reducing stride to have a more correct cadence and tried to improve the position. You can see the result from minute 20. Similar rhythm but with less power needed to maintain it (and much more constant with less intermediate peaks).

Stryd - Movescount Power Graph

You will be able to compare the power graph with data on altitude, pace, heart rate... even if there are changes in terrain and how it affects the power by having the map of the recorded activity available. I wish you could see it too to mess around as much as possible.

Wait a minute, you want to see her? Well, all you have to do is click here to enter that activity on the Movescount website. Enjoy!

If this is not enough, you can also enable automatic synchronization of your activities with Stryd PowerCenter, so that every time you synchronize your clock, your new workouts will be automatically uploaded to the Stryd panel as well.

Stryd - Connections

Stryd's integration with Suunto is complete, but Stryd's PowerCenter option is also very interesting (and will probably continue to improve as it has been doing so far).

Stryd - PowerCenter

This is where the activities recorded with Stryd's mobile application (which is also available) or what you record wearing only the sensor (because it has a storage memory if you ever go out without a watch) will be uploaded and synchronized thanks to the application indicated above.


Garmin has been a major new feature for Stryd in recent days. The Americans do not have a similar integration to Suunto, which they have been unable or unwilling to do, pending the new features introduced with the new version of Connect IQ 2.1 a couple of weeks ago called Biker Monkey.

This new version (accompanied by version 1.3 for older devices) allows applications to record data to the FIT files of the activities and, consequently, to be sent to the platform. And this is where the new application of Stryd Connect IQ.

Stryd - Garmin Connect IQ

Stryd data cannot be recorded in the normal Garmin race profile, firstly because Garmin does not allow the use of a power meter in these profiles. This has to be done through an application, which has to fully replicate the functionality.


Ahora mismo está en un estado «beta» y las posibilidades que ofrece son bastante limitadas. Lejos aún de todo lo que puede ofrecer Stryd emparejado con Suunto, como la posibilidad de configurar las pantallas de datos a nuestro gusto.

What we do have is the synchronization of all data, including power, to Garmin Connect. The Garmin web application will display all the data recorded by the Connect IQ applications and will also display it on the various graphs that you can combine.

What, you'd like to mess around with all the details like you did with the Suunto panel? So here's the activity.

Stryd - Garmin Connect

Can this change in the near future and can the integration be total as in the case of Suunto? Only Garmin has the answer to this question.


And what about Polar? For the moment we're still in the same frame of mind, having to use the cycling profile in the V800. This way the data will be synchronized as if it were a cycling activity, which is not the most ideal.

I have spoken to Stryd's people and asked specifically if they were working in any way with Polar to advance cross-platform integration, but there is no progress yet on that. The reason is none other than the resources available.

Stryd may work with Polar later to accomplish this integration, but for now it's just another point on his roadmap.

But there's one thing that strikes me, and that's something of my own making, Neither Polar nor Stryd have told me anything about it. Polar is preparing a replacement for the V800 to be presented this year, presumably during the triathlon world championship in Kona or before the Christmas period. A new pulse sensor, which Polar calls H7i, is already prepared for this replacement.

The sensor is very similar to the original H7, with Bluetooth Smart connectivity and 5khz. But now it has internal memory for recording activities and firmware updates. Could this be an integration of Stryd into the Polar sensor itself?

All I can do today is make assumptions, but it would be a good move for Polar to stand up to Garmin's advanced racing dynamics; and of course for Stryd to license his technology directly to a manufacturer.

What's new in the new version of Stryd?

Once you've caught up with all that Stryd has to offer and you've seen the proof of it, it's time to talk about the new model. Because you remember that you came here to get all the details of this new version, right?


So let's go through the quick list of what's new, and then I'll go into detail on one of these points.

  • Totally renewed design, abandoning the pulse sensor format to place it in the shoe as if it were a footpod.
  • Instead of having a CR2032 battery as the initial model, it now has an internal battery with a month's autonomy.
  • Wireless induction charging.
  • Weight only 7 grams.
  • Dual and simultaneous connectivity via ANT+ and Bluetooth.
  • Totally waterproof, it can withstand immersion for up to 30 minutes at a depth of 1 metre.
  • The new version of Stryd will also be able to measure leg stiffness/elasticity.
  • It increases the focus of the product on the efficiency or economy of the race.
  • It will include specific training plans to improve career economics.
  • Finally... the price will be similar to Stryd Pioneer's: $199 directly through its website or 249 ? at its distributor for Spain, and there will be a discount for those who bought the first version through Kickstarter.

As you've seen, Stryd now sits in the shoe making it much more comfortable, and by becoming independent of the pulse measurement, it allows you to choose how you record your HR - which is quite logical given the proliferation of optical sensors or other options that record the heart rate of the swimming section during a triathlon.

So far I have been able to consider using Stryd in many of my races, but never in triathlon. Not only because I didn't record heart rate data while in the water, but mainly because the initial model was not immersion resistant. If I wanted to have HR data in the swimming segment I had to use a sensor, and then change it in the transition if I wanted power data in the race.

Si sólo fuese necesario cambiar el «pod» en la correa sería factible, pero el HRM-Tri de Garmin no permite retirarse de la correa y el Suunto Smart Sensor es de menor tamaño y la correa no es compatible, así que habría que cambiar todo. Y eso son 15-20 segundos. ¿Tu sabes lo que tengo que entrenar para bajar mi tiempo de carrera en 20 segundos? Por tanto era algo totalmente inviable.

And likewise, whoever buys a watch with an optical sensor because he's sick of the sensor in his chest... are we going to ask him to put the sensor back in to measure the power? No, I don't think so.

According to the information provided to me by Stryd, obtaining power data from the foot is somewhat more complicated than the first version at chest level, but in addition to having solved the problem of the new more complicated location, the new device is even more precise than the previous model mounted on the chest.


One thing that has not been repeated enough in the presentation of the new model is the product's new focus on helping to improve running efficiency and providing fitness information.

With the new model, another parameter they can record is leg stiffness/elasticity. All studies The greater the rigidity, the better the running economy.

How to improve this muscle stiffness? Well, with plyometric exercises, series of sprints, running downhill, etc. Stryd will also include a training guide in which these exercises will also be specified.

Stryd - Components

My opinion

I am a firm believer in power training in cycling, and of course in competing using power as a reference, something that allows you to completely change the way you train and run, ensuring that your efforts are the right ones at the right time, whether it is during training or when competing in a triathlon.

Stryd intenta llevar el mismo concepto a la carrera. Bien es cierto que por el momento lo que permite la tecnología es una medición indirecta de la potencia a través de modelado 3D de la biomecánica del atleta en tiempo real. «Sólo» eso. Parece mentira que un aparato tan pequeño sea capaz de hacer tantas cosas, ¿verdad?

But despite this I don't think it's a perfect product. The main objection I find in Stryd is that there are variables he can't take into account at the moment, for example the difference that occurs when running for or against a strong wind. We agree that a light breeze doesn't affect the race at all, but when the wind is strong it certainly costs us a lot more work to move forward.

Stryd is already working on some kind of solution to this, but as it is not a direct force measurement everything must be done through algorithm models.

Despite this, the data is constant, and that is the important thing, because you can be sure that what you have trained for is what you will find on the day of the race.

I have no doubt that power measurement in racing has just begun and that the future potential is enormous. And make no mistake, anyone who denies it will be doing the same thing as someone who denied power meters in cycling 15 or 20 years ago. And you see how we are today...

Stryd Pioneer

However, Stryd has a few barriers to overcome. Firstly, the public will begin to appreciate the added value of training in terms of power rather than rhythm or heart rate, which is why the new version of Stryd will include specific power training as well as a small training book, so that the new buyer will know everything he can do with his new purchase and be able to benefit from this new type of training.

To do this they must also collect a lot of data from athletes and know first hand what it brings them and how it helps their coaches. In fact Stryd has had some units in Rio during the Olympic Games, and it is possible that in the coming weeks we will see some information from athletes who have been using it. Doesn't that sound interesting?

At the moment I can tell you a little more about the new version, as I have been told that there are only 5 units in the world right now, but they have promised to provide me with a unit as soon as possible. It will be very interesting not only to be able to compare the data with respect to Stryd Pioneer, but also to see how it has evolved and how useful the new data is, such as the muscular stiffness of the leg. And don't worry, I will tell you all the details again.

I hope that I have been able to clear up all the doubts that you may have about Stryd. I'm sure that many questions may arise, not in vain it is a fairly new product. So if you have any doubts, ask for them. If I don't know how to answer them, I can consult Stryd's people so that they can clear it up for both of us.

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  1. Very interesting, of course fundamental to train for the future, a pity that I have already replaced the v800, I just bought it a month and a half ago :-((

  2. Mira que me gusta la tecnología aplicada al deporte, pero esto me recuerda al Powercal de powertap, una banda de pulso «capaz» de calcular, o mejor dicho estimar, la potencia (ya sea corriendo, en bici) por medio de algoritmos super sofisticados que hacen una estimación de potencia basada en pulso y que está claro que es super irreal e ineficiente. Tengo una y he hecho pruebas de campo, y su precisión comparado con un medidor de potencia «de verdad de la buena» e incluso con las estimaciones de potencia que da strava distan mucho de la realidad, con lo cual como herramienta para «mejorar entrenando» pues no sirve. En el momento que tiene algún parecido con la realidad, es a velocidades constantes, pulsaciones constantes y todo constante, en el resto de casos sus valores son algo totalmente aleatorios. Así que para entrenar y mejorar por potencia, pues como que no. Supongo que esto de Strip será más o menos lo mismo. Entiendo como funciona un GPS, como funciona un pulsómetro, un sensor de cadencia, un footpod, un potenciómetro, pero esto no entiendo como funciona…

    1. Stryd es muy diferente a lo que ofrece PowerCal. El sensor de Powertap no es más que un sensor de pulso que hace coincidir vatios posibles para unas pulsaciones determinadas. Pero nada más, no hay nada tecnológico, más bien una «base de datos».

      Stryd en cambio tiene bastante más tecnología. Es en esencia un dispositivo que a través de diversos acelerómetros y altímetro captura todo el movimiento en 3D. Está claro que no mide potencia «real», como la que podemos medir que llega a la rueda o a los pedales en la bicicleta. Pero contempla muchos parámetros diferentes y va más allá de simplemente indicar una potencia para una frecuencia cardíaca (porque, de hecho, es algo que ni siquiera tiene en cuenta).

  3. Extensive and interesting article. I have some doubts as to whether anyone can solve it for me (based on the fact that I have no potentiometer and my lack of knowledge), the power measured by the Stryd is in watts, right? Looking at the summary of the activity in Movescount, it says 390 on average and maximum of 896, isn't that a lot? Because in cycling that's a lot of watts of power, right? or is it an attainable value?

    Then the other big question I have that more than an answer given here would give for a super extensive article on the training load (which I'm also in diapers):

    A) Could this power meter be used (I understand/believe so) to estimate training load?

    B) What types and differences are there in monitoring the training load issue? Which one is better?

    C) Is the training load better than the old TRIMP system (and its four variants)?

    D) And the so fashionable HRV, will it be better to measure the training load?

    E) What about the TSS? Can power training with the Stryd be related to the TSS as it is with cycling potentiometers?

    F) Maybe it would be something like hrTSS?

    Comparto un poco el comentario de Toni, es todo una estimación mediante algoritmos que puede distar de la realidad, pero incluso creo que para dichos algoritmos ni siquiera es necesario un nuevo gadget dado que esos algoritmos se alimentan de los datos que el propio dispositivo le podría aportar(frecuencia cardiaca, velocidad, altitud, oscilación vertical, tiempo de contacto suelo, etc) siendo únicamente necesario los algoritmos. Si bien seguramente parte de los datos más importantes necesarios son los datos dinámicos de carrera, pero Garmin ya los registra y aporta pudiendo a lo mejor medir este tipo de potencia de carrera mediante una simple aplicación en el Connect IQ store sin necesidad de un gadget externo o que simplemente Garmin (u otras marcas) implementen la medición de potencia en carrera por software en próximas actualizaciones de sus dispositivos.

    A salute.

    1. Yes, the power is measured in watts. Whether it is too much or too little depends purely on who is producing that power. In my case it is a normal (even low) power, for the simple reason that I have a high weight. The power I have to develop to shift my weight from 92kg to, for example, a 4:30 pace is much higher than someone of 60kg running at the same pace. As in cycling what matters is the W/kg ratio (and this is where I lose out, because considering my weight, those 390W on average are not that many).

      In my case, the power I develop while running (or that I am able to maintain) is higher in racing than in cycling. My FTP in cycling is just over 300W. I am still lazy and I haven't calculated my FTP in racing correctly, but I guarantee that it is higher than those 300W.

      And the same with the maximum power, I would have to enter Golden Cheetah and check the data, but if I remember correctly my maximum power peak in 1s is a little more than 1.100W. In the race I don't think I had any problem to overcome that data doing a 100m sprint.

      The power will be an additional element, because the TSS values - as long as they are from a program adapted to running power (Training Peaks is) - and IF can be used as a reference to see wear accumulation.

      But for what you're talking about it's better to be guided by the resting heart rate as a simple method, and the pulse variability as something more detailed.

      En cuanto a lo último… sí, es un «simple» algoritmo. ¿Pero acaso no gobierna también un algoritmo los medidores de potencia de ciclismo? ¿O un GPS (especialmente en aguas abiertas)?

      The difficulty is not in collecting all this data, which with today's technology is relatively simple, but in processing all this information to reach a truly useful point, something that Garmin, for example, has not been able to do.

      However, the new version of Stryd not only measures power, that was already done by the Pioneer model. The new sensor is also able to identify running efficiency or muscle stiffness, in the first case identifying at what rhythms we are most efficient and from what point we can accumulate fatigue;

      1. Thank you for the answer. The truth is that what I am using now is FCR and HRV because I think it is the easiest way (and it works) to see the training and fatigue load.

        With respect to the Golden Cheetah to see the trends, maximum peaks and other curves the truth is that it must be the best or the best applications that there are (maybe articles about this application and its handling could be an idea) but in my case I am more of SportTracks 3.1

        The thing about Stryd and that what counts is its algorithm that takes a lot of R&D that other companies haven't been able to reach yet I agree, but also that the information it needs can be provided by a GPS with race dynamics data and that it could be one more application from the Connect IQ store, what happens is that if you put an application in the Connect IQ for 199 you don't sell it, however if what you sell is a new gadget you sell more.

        1. The problem is that, at present, it is not possible to charge for Connect IQ applications. Applications must be free.

          However, the new version of Stryd is more than just an accelerometer - there is a lot of processing power, something that the first version doesn't incorporate, for example, so it won't be able to offer the same amount of metrics.
          Which are things that, to this day, no watch would have to offer simply as add-on software.

          1. You can buy it directly from their website ( That's where I ordered the two models I bought.

      1. Eduardo comentas que viene con un libro, explicando el tema de potencia, pero esta escrito en inglés o castellano. Darte la enhorabuena por gran trabajo que haces.

        A salute.

        1. Lo quiero comprar, pero no entiendo mucho del entrenamiento de potencia, me podrías recomendar libro o páginas donde hable sobre el entrenamiento de potencia.

          1. El libro está en inglés. Ahora mismo no hay todavía nada en español que hable de forma específica de la potencia en carrera, pero puedes empezar con «la biblia» en cuanto a potencia en ciclismo. Aunque el objetivo es diferente, es un buen punto por el que empezar:

          2. Eduardo, I have read Raimaker's analysis, I think he doesn't see clearly that the stryd is only on one foot, that it should go on both, I would like to know your opinion.


          3. In conversations I had with them when they launched the product, being able to get power from two devices in combination is something they have in mind and that in principle the device is ready to do. But unlike cycling where it is much easier to find moments when there may be variation in power of I/D, running is much more common that the delivery is very close to 50/50.

            If Stryd were to start collecting more information of the kind offered by Runscribe, such as footprints etc., then it would make more sense, but at the moment I don't think it would provide much more relevant data compared to the double payout.

          4. Una pregunta más, como has probado el modelo anterior, crees que merece la pena comprar stryd, quiero comprarlo pero no si es el momento o si realmente sus datos son fiables. Muchas gracias por tus comentario, felices fiestas.


          5. I have both models, and the new one is much more interesting. About if the data are reliable, the new version marks me power slightly lower than what I obtained with the previous one. There is no way to check in an easy way if the power given is correct or not, but being algorithms it is clear that it is an estimation.

            What you can check is that the measurement is consistent at all times, i.e. that the behaviour of the algorithm does not vary by factors and influences the final reading. In that sense the result is good and doing power-based training opens up a new dimension.
            For example, doing intervals on slopes that you never know what is the appropriate pace to have. Or pace strategies for races with constant slope... There are many aspects that can be interesting.

          6. And by the time we set up the training zones, there's some test that's consistent.

            Te lo comento porque Me pille el Libro que me recomendaste pero aun he notenido tiempo de leerlo.. He visto que para bici hay test pero para correr.?


          7. In running power we are as with cycling power 30 years ago, a field yet to be explored. Stryd's own website calculates training zones based on various tests or results over specific distances. It is a good option to start with, but it is in everyday life that the possibilities of use begin to be seen more widely.

          8. Eduardo, thank you very much for your help. We just need the kings to arrive with the package.

            Happy New Year.

          9. Eduardo hola de nuevo, ya tengo el Stryd , un par de dudas.

            1.a la hora de usarlo lo usas con app de garmin o en modo bici.
            2. and to remove the areas that you use for testing.

            3. And can you set different seconds for the data collection to tell me the average power?

            a greeting.

          10. I use the Connect IQ data app, but it's instantaneous power not average X seconds.

            I have used the 5k/10k method, but I am more guided by the critical power data from GoldenCheetah.

          11. Hoy he salido hacer unas pruebas con el Stryd he utilizado pero la potencia instantánea pero esta varía mucho es complicado seguirla , igual que con la app de Stryd . También he probado en modo ciclismo y al poner el campo media de potencia se controla más fácil. y la hora de tener mas información en el modo ciclismo hay bastante más, lo que no se si esos datos los podemos usar para la carrera?.

            You said that you have done the critical power test, as I have read there are two formulas, one for cycling and another for swimming and running, I imagine that you have used the running one, to get the critical power.

            Una pregunta más cuando dices que usas GoldenCheetah, lo usas en modo carrera o bici, para analizar los datos?. y se podría utilizar sportracks para analizar los datos?


          12. I don't know if sporttracks supports the new FIT 2.0 files. The tests I've done are not such, they are simply race data from those distances, but I haven't done any specific tests of the ones Stryd marks.

          13. Entiendo que el godencheeat te lee los archivos fit, pero mi duda es si los datos del stryd se analizarán en el perfil bicicleta o carrera.


  4. Hi, Eduardo. You know Garmin's Running Power Estimator app.
    If you could test it in some of your training sessions and compare it with the Stryd power meter.
    To find out if it is worthwhile to be guided by these data reflecting the app
    Thank you, for so much dedication to your blog, it's a wonder how much useful information you offer us.

    1. I'll try to take a look at it, but Stryd has many more specific sensors that input information into the algorithm. The application can probably give you a rough estimate on the flat, but since you need elevation data as you don't have a barometric altimeter in your watch, it can do almost nothing.

  5. Un millón de gracias Eduardo En mi caso concreto tengo un Fénix 3. Que desde que leí tu análisis me quedé enamorado y lo acabe comprando. Pues ya nos dirás si esa app merece la pena

    1. After the tests I've been doing these days, the truth is that the data field doesn't convince me, and it didn't convince me from the beginning, because the fact that it is linked to keystroke data already makes it lose validity.
      Showing power is important because it is quite different from the heart rate.

      1. Hello,

        A somewhat naive question; I'm trying to get as accurate a distance meter as possible for running and equally for running pace (that's all). I'm wearing Wahoo Tickr X on my chest. On my 10k runs I usually take a short break right in the middle (next to a fountain). How can I interrupt or suspend my session times temporarily or permanently?

        Thank you very much.

          1. Hello!

            And with the STYD device you can make some pauses in the measurements within a running session.

            Thank you in advance.

            Get Outlook for Android

          2. Morning,

            I already own a STRYD 2.0 device.

            I decided to use the STRYD app on my samsung S5 for the start and stop of my daily sessions. It turns out I have a WAHOO TICKR X chest strap. I tried to associate both devices but apparently if you associate one you don't associate the other. Great! I just spent 200 euros and I think I'm going to have to go full of gadgets to measure pulse, exact distance and rhythm in my races.

            Can you help me?

            Thank you.

          3. Last time I tried Stryd's app, if I remember correctly, it didn't have pulse sensor support.

            Anyway, Stryd is more intended to be used in combination with a clock than with the phone, which can be useful for running indoors and viewing data on a larger screen but I don't see it as practical for running on the street.

          4. Hello, Eduardo.

            I'm writing to you in case my case happens to someone. I finally solved it with the Wahoo tickr X app.

            It supports bluetooh (STRYD) and ANT+ (wahoo heart rate monitor) connections. By configuring the screen you can see distance, cadence, pulse and rhythm in real time. Great! Since the reliability of STRYD measuring the distance traveled is better than any gps I guess there is no error and by default the rhythm.

            There, I use the Nike Evolution Forearm Sleeve to easily see the data, although there are other similar ones in amazon.

            Thank you for everything.


  6. Thank you, Eduardo, for your conclusions. When the economy allows me, I will buy a power meter.

  7. I recently ordered it from their website. For those interested... 42 euros to be paid at customs.
    On the other hand, nowadays I see it a bit green, at least if you use it with a garmin.
    Solo lo he utilizado una vez, y en modo campo de datos (potencia 3s), en modo aplicación, por lo que he visto creo que se pueden poner varios datos a la vez, pero yo solo veo uno 🙁
    Also, I couldn't see the option to put a power alert on it, to let you know if you go up or down, as you can put on the FC, or on the rhythm for example.

  8. very good
    I'd like to know if this power meter could be used on horses.
    the data I'd be interested in knowing is.
    footprint impact
    variation with respect to heart rate
    variation with respect to weight
    variation with respect to speed.

    it would be very interesting for me to be able to determine
    la mejora en entrenamientos a menos consumo por entrenamiento buen camino
    y valorar la influencia de los parametros peso y velocidad

    Thank you very much in advance.

    1. The clearest way is to buy through Stryd's website directly. Right now the new one is in stock, I know for sure because this week I got the new unit I just bought.

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