Mountain Lakes 100
Jefferson County, Oregon, United States
Sep 19-20, 2026 - Saturday to Sunday
100mi, Ultra
Race Information
This truly is the most beautiful Oregon 100 miler. The course is on the iconic Pacific Crest Trail and features the best trail running the Pacific Northwest has to offer – technical and rocky sections, lots of views of mountain peaks and lakes, and plenty of luscious of single track. You’ll run between Mt. Jefferson and Mt. Hood and experience outstanding on-course support while making the journey to the finish line.
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👍 Run Pick of the Month - Snohomish Women's Run
📍 Everett, WA - May 9, 2026
An empowering, inclusive, and unforgettable Pacific Northwest race!
💸 SAVE 10% On Your Entry. Use Code RG10
😄 Why We Like This Run
✅ A women-centered run welcoming all genders and abilities.
✅ Fast and flat courses with aid stations and pace leaders for the half-marathon.
✅ Long-sleeve tech hoodie for every runner and supporting local charities.
Run along the scenic Snohomish River in Washington on flat, fast, and well-supported 5K, 10K, or Half Marathon courses, perfect for personal bests or a motivating day on the run.
Take part in this celebration of strength, community, and movement!
🏃 Training for This Race?
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Race Facts
Race Size: 100 - 500
Elevation: Lots of Hills
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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