1876 Centennial Run 18.76K
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Snowmass Tree-O: 1876 Edition
The Snowmass Tree-O 1876 Centennial Edition is a two-day running and hiking event on Friday, August 7 and Saturday, August 8, 2026 at the New Belgium Ranger Station in Snowmass Village, Colorado. The event is organized by the Colorado Brewery Running Series.
Distances offered:
- 3.76k, available Friday night or Saturday morning
- 5k, available Friday night or Saturday morning
- 10k, held once on Saturday morning
- 18.76k Challenge, completed by finishing all three distances
Participants may run, walk, jog, or hike the courses. Runners can choose one, two, or all three distances to complete the 18.76k Challenge; finishers of all three distances earn an additional medal piece to complete the 18.76k medal.
Included for participants are a free New Belgium brew at the finish line, an 1876 Centennial Run bib and finisher medal, and the opportunity to win door prizes. The event features on-site festivities such as live music, food from New Belgium Ranger Station, local vendors, giveaways, and an optional 1876 Centennial unisex t-shirt. A portion of proceeds supports local nonprofit organizations.
This is an in-person event. Tickets are listed with a price range from free to USD 119.53. Refunds are not available. Visit the organization's website for the most recent information.
