New to intervals.icu and, familiar with the elementary knowledge of the training basics behind it (Coggin/Friels; Golden Cheetah, TrainerRoad/TrainingPeaks etc), so I am completely blown away by how awesome the layout and user experience is!
So well done - thank you David!
I see there is info about the calculation of eFTP and all that accords with what I’m expecting.
Is there a VO2Max estimation?
I used to have a track on that in GC and/or via Garmin Connect but I’m only riding inside now, so not using the Garmin to record activities.
Not sure of the full details of this estimation but I know for example a recent ride I did recorded a 5min interval at 131% of FTP (one of the TrainerRoad power test protocols) and subsequently Intervals has estimated my FTP a fair bit higher but I am wanting to understand my maximal aerobic capacity a bit better as i expected for 5min 120% would be pretty tough to complete (albeit this would usually be for repeats I guess, not an all out 5min effort)
Anyway I’d love to discuss this aspect here if people can help me build my knowledge on super threshold work.
I’m doing a build phase (sustained power build) at the moment.
Thanks! There isn’t VO2Max estimation yet. I have looked into it a bit but haven’t got as far as figuring out how to implement anything. It is on the list!
VO2 max estimation is actually of limited use in my opinion. My Garmin has consistently overestimated it for me as I have a comparatively strong anaerobic metabolism and it cheats the algorithm so to speak. Got tested in a lab ang got 71 ml/kg*min, whereas Garmin says 79
Your maximal performance for 5 minutes may very well be different from those 120% of FTP depending on your metabolism, especially on an all-out effort.
Thank you both! I found a paper that posits a simple formula that puts me at 56.2 by:
(6min power x 10.8)/weight + 7
This seems to under estimate vs Garmin (my brother’s Garmin says 69 and this calculates 62 for him).
I understand it is probably of limited use but as another number to monitor after focus on these types of intervals in training it is something.
All good - thanks for the info, very enlightening.
That formula seems more like a ‘220 - age’ for max hr to me. If you really want to know your vo2max, you should do a lab test.
And even then, it’s dependent on your form of the day, because it is typically tested over a 12-15 minute period. Your 6 minute power is not a good reference point.
Other than that, while it may be a metric you want to look at, it’s less tangible and therefor less useful than for instance ftp.
I am familiar with that source Also, there are similar sites where you can calculate your bmi, an equally less meaningful, or rather less trustworthy, metric
If you really want to know your vo2max, you should do a lab test.
Yes but in any case it often varies and therefore it remains “approximate” (but always better than via theory.)
For VO² that it is overestimated by Garmin (and undoubtedly underestimated by Golden Cheetah) is not really important, what is interesting is to see when it goes up
Agreed. If you can put it into a formula and then make the test circumstances the same every time, it would be something to use. Actually, same goes for FTP - you can never be really sure that the circumstances are the same. The lab setup yes, but yourself? And this is why I never test FTP (I believe in Xert, albeit that that also has tweaking issues.)
(I believe in Xert, albeit that that also has tweaking issues.)