Originally Posted by aaronmcd

Why would you run to burn calories when you already ride bikes?
An hour run at 7.5 minute pace (160 lbs) would burn ~1000 calories
An hour ride at 3.5 w/kg (160 lbs) would burn ~1000 calories

Hell, for me, a kind-of-easy-ish-but-still-sucky-cuz-I'm-not-in-running-shape "run" would be like 4 miles at a 10 minute pace = 480 calories
A cray-ultra-easy-feel-like-I-did-nothing-slower-than-grandma recovery ride would be like an hour at 120 watts = 480 calories