Thumbs Up Vertical Challenge
Estes Park, United States • 6 Dec 2025
Event
The Thumbs Up Vertical Challenge is a timed ascent event in Estes Park, CO on December 6, 2025. The event is an 8-hour ascent format and entry is limited to 30 participants. Runners must collect a poker chip at each turnaround and deposit it at the start; chips are counted at the end to determine placing. Unique patches are awarded at specified ascent milestones and a special award is given to the overall winner.
- 14 ascents - Estes Park 7,522'
- 18 ascents - Deer Mountain 10,103'
- 26 ascents - Longs Peak 14,259'
Runners may not park at the trailhead; supplies may be dropped off but participants should arrive by drop-off, bicycle, or on foot. Registration opens September 1, 2025.
Course
The course uses the Thumb Open Space trail as an out-and-back route with 540 ft of ascent per lap. The terrain is 100% single-track with switchbacks, steps and steep rocks. The Thumb Open Space is a Town-owned recreation area on the south side of Prospect Mountain, purchased May 26, 2021 and opened to public access July 1, 2022. Users are asked to stay on the marked public trail and respect nearby private property. Visit the organization's website for the most recent information.