Olallie Lake, Oregon · Trail

Mountain Lakes 100 2027

2025·2026·2027

Saturday, September 18, 2027 at 8:00 AM GMT-7

Registration opens December 6, 2026.

Registration ↗2026 results

Distances

Distance: 100 mi (161 km)
Vert gain: 11,700 ft (3,600 m)
Cutoff: 30 hr

Distance	Vert gain	Cutoff
100 mi (161 km)	11,700 ft (3,600 m)	30 hr

Every year

2027September 18, 2027 · upcoming
2026September 19, 2026 · completed
Shawn Ross 19:56:45 · Jessica Quinn 18:38:56
2025September 20, 2025 · completed
Sidney Noble 16:04:09 · Joanna Brewer 22:13:16 · Dez Van Der Groen 21:14:17

More

Mountain Lakes 100: dates, entry, and how to get in