Thumbs Up Vertical Challenge

DEC
5
2026
A limited 40-runner mountain ascent at Thumb Open Space: repeated 2 km laps with 540 ft gain, poker-chip turnarounds, and patch milestones for 14, 18, and 26 ascents.
Sat 5 Dec 2026

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Thumbs Up Vertical Challenge

The Thumbs Up Vertical Challenge is a limited-field mountain ascent event held at Thumb Open Space in Estes Park, Colorado (elevation 7,522 ft). Participants run repeated out-and-back laps of about 2 km each, with roughly 540 ft of vertical gain per lap. At the turnaround runners collect a poker chip and deposit it in a jar; chips are counted at the end of the event to determine placing.

Patches are awarded for reaching ascent milestones: 14 ascents (Estes Park, 7,522 ft), 18 ascents (Deer Mountain, 10,103 ft), and 26 ascents (Longs Peak, 14,259 ft). A special award is given to the overall winner. Field size is limited to 40 participants.

Aid station details are announced closer to the event; competitors should expect a need for self-sufficiency appropriate to a mountain ascent format. All races are cupless; participants should bring a personal cup or may purchase a Running Wild reusable cup for $5. There is no parking at the trailhead, so participants must arrive by drop off, bicycle, or on foot.

Entry for the Vertical Challenge is listed at $100. Lodging partners in Estes Park offer runner discounts and participants are advised that accommodations can fill for the race weekend. Visit the organization's website for the most recent information.

Vertical Challenge

Events nearby

A 10K at the YMCA of the Rockies on December 19, 2026, with trail and paved sections and nearly 1,500 feet of climbing; breakfast and a day pass included.
A winter gravel bike rally and trail run in Lyons, Colorado offering multiple run and ride distances, mixed terrain courses, and a public finish-line party with food and music.
Trail races at YMCA of the Rockies on May 22, 2027 offering 10K, 25K, and 50K on mostly runnable singletrack at 8,000 feet; the 50K includes 6,000 feet of gain.
A mixed gravel-bike and trail-running festival in Lyons, Colorado on June 6, 2027, featuring races from 100K to 5 miles plus relays, BMX, camping and a concert.
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