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Originally Posted by ToxSocks
What are you using to track your VO2 Max?
And what the **** even is it exactly. My fitbit gives me my VO2 Max score and it seems kinda unbelievably high, so im not sure how accurate it is or what it truly means.
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I just use my Garmin watch. What's your Fitbit telling you?
I don't know exactly how it calculates, but apparently it's based on your pace and heart rate. Mine has gone up as I've lost weight, but my watch doesn't know my weight. However, my pace and probably heart rate have improved as I've lost weight, so that's not a huge mystery.
Whether it's accurate or not, it'll still be good for showing fitness trends. But if you're not making big changes, it mostly stays constant in my experience.
I've also wondered if there's an elevation effect. Being in Denver, I'm going to be taking in a bit less oxygen with each breath, which is going to impact my pace and heart rate. But I've run races at sea level and my VO2 Max didn't spike up in those races, which befuddles me. It seems like I should see an impact. We all run faster at sea level than in Denver.