Have you ever climbed 1,000,000 vertical feet in a year on your mountain bike, let alone a VP-Free? Have you ever coughed so hard your jaw locked open? The legendary Sergeant of Suffering, Mark Weir has. Weir is a NorCal MTB legend who has given us Hell Ride, helped blaze the pumptrack trail and taught us that epic adventure is what getting into the mountains is all about. Marco Osborne is a young, upstart American enduro racing pinner who learned all he needs to know from Mark Weir. At the TDS (The Dirty Sanchez) Enduro a couple weeks ago, Vital's Brandon Turman sat down with Weir and Osborne to see talk enduro racing, suffering for your trails in Marin county and putting your wheels where your heart is.