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Fall - Mud Mountain Dam Marathon & Half Marathon
Saturday, September 19, 2026 · Enumclaw, United States
Distances
Half
Full
About this race
The Full Marathon returns, a Boston Qualifier on a paved downhill course. Starting at Mud Mountain Dam, it follows the Carbon River through farmlands and forests to McMillin Bridge. The Half Marathon begins in South Prairie, following the paved Foothills Rail Trail alongside the Carbon River to the same finish.
Start location
30525 S.E. Mud Mountain Rd.
Enumclaw, WA