Mountain Lakes 100

Olallie Lake, United States • 20 Sep 2025

The Mountain Lakes 100 is a scenic 100-mile trail race held in Oregon, starting and finishing at Olallie Lake. Renowned for its breathtaking views, the course features technical and rocky sections, alongside 60 miles of the Pacific Crest Trail. The event is well-supported, with experienced volunteers at aid stations dedicated to helping participants reach the finish line.

Registration is not a lottery, and the race serves as a qualifier for the Western States 100. Participants must complete 8 hours of trail work prior to the race. The event is organized by Go Beyond Racing, known for its commitment to racer safety and environmental sustainability. Visit the organization's website for the most recent information.

Race information

100 mi
100 Miler
Visit the organization's website for the most recent information.
Trail runs nearby