
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 β technical and rocky sections, lots of views of mountain peaks and lakes, and plenty of luscious of single track. Youβll run between Mt. Jefferson and Mt. Hood and experience outstanding on-course support while making the journey to the finish line.
π Run Pick of the Month: Red, White & Blues 5K & 10K
πWest Linn - June 27, 2026
πΈ SAVE $10 On Your Entry. Use Code RUNRWB26
π Why We Like This Run
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Beautiful course that starts and finishes right on the heart of Willamette Falls Drive
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Free hot dog at the finish line
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Itβs a downtown takeover designed to kick-start your Fourth of July festivities.
Celebrate Independence Day at the Red, White, & Blues 5K & 10K, the ultimate summer tradition taking over downtown West Linn.
Whether you're chasing a new personal record or just looking for a festive stroll with the family, this event is the perfect way to ignite your holiday spirit.
π Training for This Race?
Get a personalized training plan that adapts for every run. RunDot analyzes every run and automatically adjusts your training plan.
π 2 weeks free for RunGuides runners
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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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