Originally Posted by
WhyFi
I agree, if you're talking primarily about water weight. 10lbs of fat in a week? That would definitely not be nothing and would be damn near impossible.
1lbs of far is 3500 calories
Ergo 10lbs = 35,000 calories
I've burnt up 15k + in 2 days riding
I think with a high level of fitness it would be possible. A lot of ultra endurance athletes pack on a few extra pounds before racing because they know they cant eat as fast as they're burning