I parked at Mark's, rode up the Paradise Valley Rd., and picked up Bo at his place. As we climbed on, the mountain above us rang with logging work and rednecks shooting off large firearms. I felt pretty good, but I burned Bo out after barely 1000 verts -- he got a bad cramp in his leg which forced us to turn back.

Approximately 1100 verts.

Vert Quest chronicles "The Man Known As Mongo's" pursuit of the World Record for climbing on a mountain bike, 404,000 vertical feet, or the vertical equivalent of 13 sea-level-to-summit ascents of Mt. Everest during a 12 month period. Mongo's mountain bike climbing tricks are distilled in Mongo's Over-the-top Guide to Climbing.