Joined: Jul 2002
Posts: 40,863
Likes: 3,115
From: Sacramento, California, USA
Bikes: Specialized Tarmac, Canyon Exceed, Specialized Transition, Ellsworth Roots, Ridley Excalibur
I'll often do 30 miles at tempo on just a mug of black coffee for fat adaptation. But for anything superthreshold, I need to eat.