Originally Posted by
Jet Travis
You're maximum heart rate for biking and for running may not be the same.
BTW, I'm 54 and my MHR on the bike is 180. But I never tested it until recently. I'm told that MHR is more or less set by genetics and does not neccesarily change or affect performance on the bike--but I'm no expert.
I agree. I think it's easier to get the HR up running than biking. So maybe my MHR hasn't changed at all.
I also agree MHR has nothing to do with performance; it's just an individual variation. The % of MHR you can sustain (trainable while MHR is not) does say something abour performance.