Originally Posted by
MoAlpha
RHR is not a fixed quantity and varies with the training cycle and other stressors in anyone who actually works out.
And altitude raises it, apparently. I’m at 8100 feet since yesterday, and my RHR is up about 7 beats. But down 2 beats from yesterday, is that acclimation? I hope so, my power is down and perceived exertion is up. I did a climb yesterday to 9400’, and it felt like a killer. I was wrecked.