I've never known my threshold HR. I averaged 190 over my last 20 min FTP test so it's a bit odd I could do the same for over an hour. Maybe it being race day and adrenaline etc may have something to do with it. Or maybe my HRM is broken. Or maybe I am dying.
I've never known my threshold HR. I averaged 190 over my last 20 min FTP test so it's a bit odd I could do the same for over an hour. Maybe it being race day and adrenaline etc may have something to do with it. Or maybe my HRM is broken. Or maybe I am dying.