Timberline Marathon

JUN
6-7
2026
Read all about the Timberline Marathon on 6-7 Jun 2026 in Government Camp.
6-7 Jun 2026
Marathon Half Marathon

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Event details

The Timberline Marathon and Half Marathon will be held on June 6 and 7, 2026. Registration opens August 1, 2025. The event includes the following races:

  • Marathon
  • Half marathon

The event takes place in the Pacific Northwest near Timothy Lake, located at about 3,227 feet in the high Cascades.

Course and organization

The course circles Timothy Lake on single-track trails and begins at the Clackamas Lake Historic Ranger Station. The route crosses three rustic bridges over tributaries that feed the lake and offers views of Mt. Hood across the water. Cascadia Sports Timing, LLC operates the event under a special uses permit with the Mt. Hood National Forest and is an equal opportunity provider. Visit the organization's website for the most recent information.

Marathon
Marathon
Half Marathon
Half Marathon

Events nearby