I've been riding a lot more than in the past since the new year and have noticed my max hr (not actual max, but the highest I've ever achieved) seems to be creeping up.
What does this mean? I just wasn't trying hard enough last year? Or I'm opening up levels of fitness?
I've been riding a lot more than in the past since the new year and have noticed my max hr (not actual max, but the highest I've ever achieved) seems to be creeping up.
What does this mean? I just wasn't trying hard enough last year? Or I'm opening up levels of fitness?