Taking Part:MeldyDave The Ex-SpartanTattooedwelshmanGhostessGarrHope AvalafMrs Avalaf
I just don't get the logic between different HR for run and bike. Given your hr is the indicator of effort, a lower hr by definition means you are making less effort.
25 i hope
Visit the official Runner's World page
Follow Runner's World on Twitter
Other Natmag-Rodale Sites
Run For Charity
About Runner's World