Originally Posted by
Issaquatch
As for his claim, 19.35mph isn't all that far from 20mph, and if his ride is on a fairly flat route and he came into cycling with a decent baseline level of fitness, I'd say its plausible he coudl do 20mph for 3.5 hours. I've heard some pretty far fetched stuff on BF, and zstjohn's claim wasn't one of them.
It's about 10% more power. Maybe when he
actually can do 20mph for 3 hours, and not 3 hours and 6 minutes,
he can say it's not impressive.