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Ultramarathon Database

Olallie Lake, Oregon · Trail

Mountain Lakes 100 2026

2025·2026

Starts Saturday, September 19, 2026 at 8:00 AM GMT-7

Sold out.

Race-day weather

The forecast for Olallie Lake, Oregon on September 19, 2026: high 74°F (23°C), low 45°F (7°C), 0% chance of precipitation.

Forecast via Open-Meteo, refreshed hourly.

Distances

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

WSER 2027 qualifier (sub-30:00)

Every year

  • 2026September 19, 2026 · race week
  • 2025September 20, 2025 · completed
    Sidney Noble 16:04:09 · Joanna Brewer 22:13:16 · Dez Van Der Groen 21:14:17

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