Big Sky singletrack at the subalpine-alpine border — a demanding half-marathon step up
Other trail races within 190 miles
A loop course on the flanks of Lone Peak threading Big Sky Resort's best singletrack through fir and whitebark pine. The route plays along the border of subalpine and alpine terrain with significant climbing but avoids the exposed technical ridgelines of the 28K and 50K. Designed as a bridge between the 11K and 28K, it's a spectacular mountain half-marathon with about 4,000 feet of vertical gain.
Some ultra experience recommended
Big Sky, MT, United StatesSeptember 11, 2026
| Location | Mile | Elevation |
|---|---|---|
Start Start | 0.0 | 7,536 ft |
Challenger Aid Station Aid Station | 2.6 | 9,104 ft |
Swiftcurrent Aid Station Aid Station | 5.5 | 9,173 ft |
Andesite Aid Station Aid Station | 9.2 | 8,655 ft |
Finish Finish | 13.1 | 7,533 ft |
Sign in to see cutoffs, crew access, drop bags, and services for every aid station.
High point near the alpine-subalpine boundary, with sections above 9,000 ft.
Mountain weather can change rapidly in September; be prepared for wind, rain, and cold.
No required gear specified
No recommended gear specified
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