Mud Mountain Dam Marathon
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Mud Mountain Dam Marathon & Half Marathon
This event takes place on May 29, 2027 around Mud Mountain Dam and finishes at the McMillin Farm Collective near the McMillin Bridge in Enumclaw, Washington. Runners follow paved routes that pass through farmland and forest alongside the Carbon River.
The full marathon starts at Mud Mountain Dam at about 1,400 feet and follows a fully paved downhill route to the McMillin Farm Collective at about 128 feet, for a net elevation loss of about 1,200 feet. The course is fully paved, does not include tunnels or dirt sections, and is listed as having no Boston Qualifying downhill penalty.
The half marathon begins in the town of South Prairie at approximately 467 feet and follows the paved Foothills Rail Trail toward the same finish at the McMillin Farm Collective, with a net elevation loss of about 339 feet. The half course travels through farmland and forest alongside the Carbon River.
Distances:
- 26.2 Miles Marathon from Mud Mountain Dam to McMillin Farm Collective.
- 13.1 Miles Half Marathon beginning in South Prairie along the Foothills Rail Trail.
The finish area near the McMillin Bridge includes a brewhouse, food trucks, and hot and cold plunge pools. Visit the organization's website for the most recent information.
