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JMG-DTF Running VO2 Max


A datafield which calculates in real time your VO2 and VO2 max during running courses (one field layout).</p><p>A similar datafield, but more simple (only displaying VO2 max), can be found here:</p><p></p><p>You can get a similar data field for cycling here:</p>


Version 2.30</p><p>NEW: full compatibility with new upcoming device Venu 2 Plus</p><p>------------------</p><p>Version 2.29</p><p>FIXED: the font size of the VO2 value has been reduced on Forerunner 55 to better fit the screen</p><p>------------------</p><p>Version 2.28</p><p>NEW: full compatibility with new devices Enduro and Forerunner 55</p><p>------------------</p><p>Version 2.27</p><p>FIXED: fatal error introduced in the previous update, solved now (sorry for that...)</p>




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平均评级: (85 个评级)

Sébastien Rouquette
2022年1月8日 | 2.30 版

Excellent travail ! C'est un régal d'utiliser ce champ de données. Bravo ! Il y a une différence entre mes perfos calculées par garmin et cette app, comme pour de nombreux utilisateurs, mais le calcul de VO2 est une chose difficile qui dépend de nombreux paramètres très difficiles à estimer. Donc très utile et belle apparence. Je serais ravi de contribuer à ajouter des paramètres... Je suis détenteur de plusieurs brevets de calcul de performance sportive et ils ne demandent qu'à être utilisés !

2022年1月9日, Surfy66

Bonjour Sébastien et merci pour votre commentaire. Concernant votre proposition, vous pouvez m'envoyer un mail directement afin que nous puissions échanger à ce sujet, ce sera avec plaisir.

2021年12月29日 | 2.29 版

Bonjour, Fonctionne parfaitement, mais je n'ai pas accès aux "settings". Comment faire ?. Merci.

2021年12月29日, Surfy66

Bonjour Karim et merci pour votre commentaire. Pour accéder aux settings, 2 possibilités: soit via Garmin Connect puis accès aux settings du data field (si votre modèle de montre ne permet pas d'accéder aux settings directement sur la montre), soit directement sur la montre: ouvrez la sélection des datafields insérés dans le profil sportif, positionnez-vous sur ce data field puis, appui sur la touche UP de la montre, vous entrez dans les settings. Si vous n'y arrivez toujours pas, n'hésitez pas à m'adresser un mail, je vous expliquerai alors la procédure plus en détails.

2021年12月26日 | 2.29 版

HI, I've been using this datafield for a month or a bit more. And i'm trying to understand the logic behind. Is it normal that my vo2max in garmin is 47 and that during the spring workout this data field shows vo2max at 70 ? or is it a bug ?

James Lee
2021年10月19日 | 2.28 版

No working for venu SQ.

2021年10月22日, Surfy66

Hello James and thanks for your comment. I just tested the datafield into the simulator and it appears that it's working fine for this device, no issue at all. Maybe it"s the installation process so, here a tutorial to install data fields on a Garmin watch:

2021年10月18日 | 2.28 版

Al finalizar la actividad los resultados del V02 medio ni el maximo quedan recogidos en el reloj, existe algun archivo del que se puedan descargar u observar los datos recogidos??

2021年9月26日 | 2.28 版

Stavros Not working for my Forerunner 235 the last months. It just shows an exclamation mark. I reinstalled it but this didn't fix the problem.

2021年7月4日 | 2.27 版

Why the variance in v02 max between this and Garmin app? I also see that cardiac drift is available in details of my run from this app; I don't see any mention of that in the details provided here; can you share how that is calculated?

2021年7月4日, Surfy66

Hello and thanks for your comment. Algorithms are probably different but, after a certain number of sessions, you will see that the smoothed VO2 will tend to approach the VO2 calculated by Garmin Cardiac drift is explained in the text description, as follow: Cardiac drift corresponds to a large upward deviation of the HR at equal speed / pace. In this DF, the cardiac drift begins to be checked and calculated after 10 minutes of running, the drift is displayed next to the HR and these 2 values then go red as long as there is a drift.

Nik Mozheyko
2021年6月11日 | 2.27 版

Excellent! Everything is working!!!

Alexey Datsuk
2021年6月10日 | 2.26 版

This datafield doesn't work on my Fenix 5X and Forerunner 645 after 9th of June update.

Nik Mozheyko
2021年6月10日 | 2.26 版

Doesn't work on my Venu!

Nattapong Limarun
2021年4月21日 | 2.22 版


Dominik Schrott
2021年2月21日 | 2.22 版

how does that cooper test work?

2021年2月16日 | 2.22 版

can it be used with trail running? that will be amazing!

Monthato Shuping
2020年10月21日 | 2.17 版

The 21 October 2020 latest update has a dark background not too sure why, quite hard reading metrics

2020年10月21日, Surfy66

Hello Thato and thanks for your comment. I did not personally update the datafield on this 10/21, it was an automatic one from Garmin so, you can check the background color of your data fields in the general settings of your activity, this Garmin update may have changed it

Adam Cox
2020年10月15日 | 2.17 版

Seems to work well for my Garmin Approach S62, get similar result to what I got from my old tracker so no complaints.

Fabricio Pilataxi
2020年9月16日 | 2.17 版

No lo puedo utilizar en mi vivo active hr

Chas Plantamura
2020年9月4日 | 2.17 版

Had to reset my watch. After 2 days (this was the only change made) my battery started draining at 89% per day. Not good. Not sure is anyone else had this issue. Loved the data, but I would have had to charge my watch every day and then some. Might as well go back to the Galaxy at that point.

Renee Pichard
2020年8月8日 | 2.17 版

Hi team. I want to download the app for cycling. When I try to access the link for cycling, it brings me back to the same running app. What am I doing wrong?

Lau Flemming Pedersen 🇩🇰
2020年8月6日 | 2.17 版

More accurate than built-in VO2 from Firstbeat, if you use HRM strap!! [Forerunner 245 & Feix 5 plus].

Anthony Byrne
2020年8月3日 | 2.17 版

Spent 81% of my workout time in Anaerobic/Maximum zones and my V02 Max is 41 and am almost in red zone??? I am using a Garmin Vivo Active 3 and have input my correct age, height and weight and the heart rate monitor is accurate.

2020年8月3日, Surfy66

Hey man ! Before posting such comment, you should know that the VO2 is not only determined with the HR value only, but with other parameters like speed, pace, etc. So, if you run "almost in red zone" at 3 mph, you can understand that you won't get the same VO2 max as if you run "almost in red zone" at 9 mph... That may probably explain your result, sorry.

2020年6月11日 | 2.15 版

Works greate. But is there a Option To Show it in the Garmin Connect App Like Garmin (smooths the vo2 all over runs). Since Garmin doesnt Show me the vo2 any more on my vivoactiv 4s i thought this App could Show me this insteat. But greate Job.thanks.

2020年6月8日 | 2.13 版

Works fine for me, thx.

2020年5月24日 | 2.05 版

Great data field, a must have and definitely one I'd recommend to anyone. Performing a Cooper Test now with a warm up delay makes it perfect for me. Great developer, very good work!

2020年4月28日 | 2.02 版

Hi can anyone tell me how it works? I have forerunner 245 but I have no idea where on my watch it is!? Thanks

2020年4月28日, Surfy66

Hello Matin. To install and use a datafield on a Garmin watch, go here:

2020年4月26日 | 2.02 版

Dear Team, first of all thanks for this wonderful datafield. Today I tried it on a long run, and everything was working fine, incl. writing into fit file. But there is one thing I do not understand. At the end of the run my Garmin watch (Fenix 6s) said VO2max of 46. But your data says between 30 and 34 during the run. This seems to me a little bit far off ... almost 50%. Do you have any idea what happended or what I made wrong? Do I have to do any settings? THX Peter

2020年4月27日, Surfy66

Hello Peter, and thanks for your review. The main difference between this datafield and the VO2 calculated by the firmware of your watch is that this datafield calculates your VO2 in real time, whereas Garmin smooths it all over your runs, which could explain the difference. The second thing to take in consideration is the reliability of the HR during the ride, as the datafield uses this datum to calculate the VO2. So, if your HR is not as accurate or reliable as it should be, the VO2 calculated in real time will not be accurate too and, as the datafield works fine for the whole majority of all the users (that it seems to be), this could also be the issue.

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