Snow Mountain Ranch

SEP
12
2026
A high altitude trail running festival in Granby, CO offering dirt courses from 5K to a three-loop 50K with significant elevation and aid stations.
Sat 12 Sep 2026
50 kilometers 33 kilometers Half Marathon 10 kilometers 5 kilometers

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Snow Mountain Ranch - Granby, CO

Snow Mountain Ranch is a trail running festival organized by Aravaipa Running at Snow Mountain Ranch near the YMCA grounds (1101 County Line Rd #53) in Granby, CO. The event offers multiple all-dirt courses set among rolling hills, aspen groves, and mountain views at high elevation.

Distances

  • 50K (31.4 miles)
  • 33K (20.2 miles)
  • Half Marathon (12.8 miles)
  • 10K (6.1 miles)
  • 5K (3.3 miles)

Course formats are out-and-back routes with lollipop sections and varied elevations. The 50K is three loops with 1,412 feet gained per loop for a total of 4,236 feet and reaches a max elevation of 9,844 feet; runners on the 50K must begin the third loop within six hours to meet the 8.5-hour cutoff. The 33K uses two loops for 2,824 feet of elevation gain and the same 9,844 foot maximum elevation. The half marathon totals 1,707 feet of gain and reaches 8,640 feet. The 10K gains 653 feet and the 5K gains 405 feet. Aid stations are provided on each course (counts vary by distance) and a drop bag checkpoint is available for the 50K.

Race entries are non-refundable and non-transferable. The event operates a cupless policy; reusable cups will be available for purchase and participants may bring their own. Volunteer roles are listed with race credits and swag as perks. Visit the organization's website for the most recent information.

50 km
50k
33 km
33k
Half Marathon
Half Marathon
10 km
10k
5 km

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