Originally Posted by
SapInMyBlood
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
I'm aware of the math and I'm also aware that burning calories != burning fat. Exceptionally few people can operate at a 5k+ cal deficit 7 days in a row and those that can/do are almost certainly eating in to more than just their fat supply. I'll stand by my "damn near impossible," statement.