THE FIRST alarm goes off at 5 A.M. Anayantzi Guzman Fuerte, 30, leaves her room and heads to the kitchen to prepare breakfast to fuel the day’s ride—a 29-mile climb up Mount Lemmon, outside Tucson, Arizona. One by one, her five housemates follow suit. By 6:30, there’s chicken, quinoa, and kale cooking on the stove.
“Looks like the usual,” says 20-year-old Mackenzie Green, a cyclocross racer from Cincinnati, Ohio. As they eat, the athletes compare upcoming training blocks provided by their respective coaches.
“Ugh, I have four hours today, with one hour of tempo,” says 34-year-old Meghan Grant, who rides for the Canadian national track team.
“You’re screwed,” says Mel Beale, 24, a road racer from Colorado.
Once the meal is over, they wheel their bikes up the driveway and…