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34,045EventsUnited States2026
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Spring - Mud Mountain Dam Marathon & Half Marathon
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SAT
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Spring - Mud Mountain Dam Marathon & Half Marathon
Saturday, May 30, 2026 · Enumclaw, United States
Distances
Half
Full
Start location
About this race
The Spring Mud Mountain Dam Marathon & Half Marathon features a paved, downhill course. It's ideal for a Boston Qualifier, with no tunnel, no dirt, and no BQ penalty. Marathoners start at Mud Mountain Dam, running through farmlands and forested areas along the Carbon River. Half marathoners begin in South Prairie. Both routes finish at the historic McMillin Bridge. Go do the dam thing!