Originally Posted by
billridesbikes
Anything quantitative to share? What are your blood oxygen levels while riding?
I don’t have a blood ox sensor at home but when I went back for a follow up test a couple days ago (negative) I was at 97%. My threshold power using my smart trainer before Covid was around 270-280 watts, threshold HR around 170-175, now if I can sustain 200 watts for an hour it’s a big challenge and my HR never goes above 160. Riding at 180 watts feels about as hard from a perceived exertion standpoint as 300 did a few weeks ago. It’s really an awful feeling.