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Thumbs Up Summer Slam

Name: Thumbs Up Summer Slam
Start: 2026-07-18
End: 2026-07-18
Location: Estes Park

Estes Park, United States • 18 Jul 2026

Thumbs Up Summer Slam

The event is held on the Thumb Open Space trail in Estes Park, Colorado, at about 7,522 ft elevation. It uses repeating 2 km out-and-back laps with approximately 540 ft of vertical gain per lap. Participants collect a poker chip at the turnaround on each lap; the participant with the most chips wins. The event runs from sunup to sundown and is limited to 35 participants with a $100 entry fee.

Award milestones are given for ascent counts and corresponding summit elevations:

14 ascents - Estes Park 7,522'
18 ascents - Deer Mountain 10,103'
26 ascents - Longs Peak 14,259'

Registered participants receive a custom Nalgene and achievement pins designed by Space Coyote Tattoo for the listed milestones. Aid station details will be announced closer to the event; self-sufficiency is expected for an event of this nature. All races are cupless; participants should bring their own cup or may obtain a Running Wild reusable cup during registration for $5. Visit the organization's website for the most recent information.

United States Colorado Estes Park

Race information

Website

2km Laps

Sunup to Sundown (12h)

Visit the organization's website for the most recent information.

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