New software update for S9P-S9B-S9-S5P-S5 and S3 devices 2.20.28
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@freeheeler Polars „lay down“ VO2max test yields strange results for me (between 30 and 42). But their running index is quite similar (40) to what I get from Suunto 9P (40.5) or Garmin (41)
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@chrisa
VO2max is a blackbox for me… I recently had better values when going slower than when I did faster sessions…living sideways
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@freeheeler it’s not about pace, it’s about how HR is affected by intensity…
I mean, Firstbeat VO2Max algo, uses speed vs HR: “The Firstbeat algorithm analyzes the relationship between HR and exercise speed at multiple points during a training session” link so if the algo, “thinks” that at low speed you are proportionally consuming less oxygen that at high speed, it will give you a better figure…
BR
Suunto: Race, S9Peak, Spartan Sport Wrist
Garmin: FR745, Edge 530
SA topics:- Guides - https://forum.suunto.com/tags/guides
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@freeheeler For me VO2max is very reliable and plausible on Suuntos. The ratio HR and pace is crucial, not only fast running. For example I did a lot improvement to my running technique. I do not run always faster, but with a way lower HR (same speed). My VO2max improved much. But I think VO2max should in general give a feeling of max power. But algo can also be interpreted, how efficient running is. That’s how I use it. Of course there are better days in my running form and normal days. Maybe there is also a litte smoothening over last trainings (but this I do not know).
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@freeheeler said in New software update for S9P-S9B-S9-S5P-S5 and S3 devices 2.20.28:
@chrisa
VO2max is a blackbox for me… I recently had better values when going slower than when I did faster sessions…Mine has never changed, it’s permanently stuck on 53.9. Would be great if it worked as it’s a value I’d likely to find quite useful
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@suzzlo
hence I am more efficient at lower speeds… -
@freeheeler I think you (and me, and everyone) should be efficient at the speed you are used to train.
Also, I think this algo is designed to give value to us (amateur athletes) and not to be a lab test substitute…
I mean, it works in also in not high demanding sports like walking.BR
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keep in mind vo2max can drop and rise for many conditions especially a health related issue such as inflamation
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@dimitrios-kanellopoulos What is the criteria, when there is no VO2max calculation at the end of running / trailrunning?
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@mountainchris I dont know
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@dimitrios-kanellopoulos maybe also first running calibration (I have a new watch)
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@mountainchris said in New software update for S9P-S9B-S9-S5P-S5 and S3 devices 2.20.28:
@dimitrios-kanellopoulos maybe also first running calibration (I have a new watch)
It took a good long time for my values to stabilize after starting a new watch. At least a month.
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There should be an option to deactivate VO2max for hiking. It messes up running VO2max a lot. VO2max is getting useless because you do not see your VO2max running anymore.
I wonder if ascent is really calculated fully in. Normally my VO2max is 53 - 55 and with fast hiking with much ascent only 43-35… Can’t believe…
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@mountainchris it should be on / off. The same way hr for workouts is implemented.
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@mountainchris or just split into walking/running vO2max.
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@dmytro Since a few days I used hiking profile. This messed it up. Before I used mountaineering. There was never a VO2max calculated. So in running I had my pure running VO2max. That was accurate. I hope that mountaineering is still after update without VO2max.
Even if it would be walking, I can’t believe the difference and wonder if all ascent is calculated in. But I hope my solution before to use mountaineering still works
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@mountainchris I think it does
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@dmytro
I just tried, nothing to worry for @mountainChris, mountaineering has no VO2max estimation.
I recall that VO2max is only active for “walking/running” activities. Mountaineering is a combination of hiking, scrambling, climbing, abseiling… wouldn’t make sense to make an estimation. -
@mountainchris As I have stated in other posts and at least for me, the VO2max for activities where ascent is considered is not as good as it should. In my case using Trail Running profile, it keeps going down except if I do a light trail running where I can keep a nice pace.
I also think that is not easy to adjust, in activities with ascent there are many factors to be consider, not only ascent like: grade, type of terrain, technical or not…
BTW another way that VO2max is not calculeted is not tracking HR. -
@cosme-costa I would expect that at least physical effort for ascent (mass x gravity x ascent) is included. But I don’t know the VO2max formula. Maybe this effect is neutralized with descent and in sum you are slower than in flat terrain. That’s why VO2max could be probably less in case of speed hiking steap terrain. Could be a reason.
