Do you think you have what it takes to run or bike up Boulder, Colorado’s notorious Flagstaff Road?
GearJunkie editors Sean McCoy and Adam Ruggiero push their limits in a head-to-head race up this demanding route. Watch as they battle cold temps and gusty winds for their chance at winning office bragging rights.
Check out more information on the Flagstaff Road race origins, history, and the athletes who have already tested their mettle on it below.
This film is sponsored by GORE-TEX.