Results
Results pending: this edition has finished but the directory has not yet recorded a published result. Check the official results page for the latest standings.
Event Overview
| Date | Sep 19-20, 2026 |
|---|---|
| Location | Olallie Lake Resort, Oregon, USA |
| Format | Fixed-Distance |
| Terrain | Mountain |
| Region | North America |
| Distance / duration | 100 mi |
| State / area | Oregon (OR) |
| Course model | Loop |
| Edition note | Waitlist at the August 10 directory review. |
| Elevation gain | 11,700 ft |
| Elevation loss | 11,700 ft |
| Cutoff | 30 hours |
| Highlights | Pacific Crest Trail, Olallie Lake |
Course & Terrain
Mountain loop through the Olallie Lake area and nearby Pacific Crest Trail terrain between Mount Jefferson and Mount Hood.
Key course features to know before comparing this race:
- Olallie Lake Resort race base
- Rocky Cascade and Pacific Crest Trail sections
The course combines runnable forest trail with rocky mountain footing and enough cumulative climbing to make late-race pace variable.
Why This Race Matters
Mountain Lakes 100 is a useful reference point for runners comparing long fixed-distance ultras that still unfold over multiple days. Its format, terrain, and support model shape the kind of preparation required: not just fitness, but pacing discipline, nutrition planning, foot care, and the ability to make good decisions under fatigue.
Planning Notes
- Prepare for sleep decisions, weather swings, and aid-station discipline. The distance is only one part of a multi-day fixed-distance race.
- Treat intermediate cutoff gates as part of the course. Build enough margin for aid stops and late-race slowdown, and verify every current gate in the official rules.
- Train for terrain-specific fatigue. Technical trails and mountain courses demand downhill durability, hiking efficiency, and reliable night lighting.
- The directory does not mark this as having simpler logistics. Confirm qualification, terrain, support, registration, medical, and withdrawal requirements before planning around it.
Event FAQs
What is the Mountain Lakes 100 cutoff?
The official race page lists a 30-hour cutoff.
Where is Mountain Lakes 100 based?
The event is based at Olallie Lake Resort in Oregon's Cascade mountain region.
Related Preparation
- Compare verified US 100-mile races
- Compare this race in the full 2026 calendar
- Open the 100-Mile format guide
- Open the Fixed-Distance format guide
- Compare all race formats
- Use the timed-race pace calculator
- Plan checkpoint arrivals and cutoff buffers
- Build a crew and drop-bag plan
- Build a race-specific gear checklist
Verification & Sources
Verification scope: the listed edition's date, location, format, and available logistics were checked against the event-specific official sources below during the directory review dated August 10, 2026. Organizers can revise details after review.
- Official Mountain Lakes 100 page — https://gobeyondracing.com/races/mountain-lakes-100/
- Official course and crewing information — https://gobeyondracing.com/races/mountain-lakes-100/course-crewing-2/
- Official results — https://gobeyondracing.com/races/mountain-lakes-100/results/
- Multiday Running event directory review scope: August 10, 2026.