Timberline Marathon

Sat, Jun 6, 2026 Β· πŸ“ Clackamas Lake Historic Ranger Station, OR
DateπŸ“… Sat, Jun 6, 2026
LocationπŸ“ Clackamas Lake Historic Ranger Station, OR
View on map β†’ Register for This Race β†’

Prepare yourself for a challenging loop around Timothy Lake featuring some of the Pacific Northwest's most stunning Cascade Mountain backdrops, with magnificent Mt. Hood views throughout your journey. This tough marathon course winds through narrow forest trails complete with quaint wooden bridges, with both the start and finish at Clackamas Lake Historic Ranger Station. If you're a trail runner who loves pushing yourself while surrounded by breathtaking alpine scenery, this is your ideal race!

Not Sure You're Ready?

Take our free 3-question quiz and get matched to a training plan built for your fitness level.

Get My Training Plan β†’
Sat, Jun 6, 2026
Timberline Marathon
Register β†’

Running a 5K?

Take our 5K Training Quiz to find the RIGHT training plan for you.