Mud Mountain Dam Marathon - Spring

Enumclaw, Washington, United States

May 29, 2027 - Saturday

Half-marathon, Marathon

Race Information

Start planning now for your next Boston Qualifier on this beautiful, fully paved downhill course. No tunnel, no dirt, no BQ penalty. There’s no excuse not to do the dam thing!

The marathon course begins at Mud Mountain Dam (elevation 1,400′). Runners will follow a fully paved route through picturesque farmlands and forested areas, tracing the path of the Carbon River. The race finishes in front of the historic McMillin Bridge (elevation 200′), with a total net elevation loss of approximately 1,200′.

The Half Marathon begins in the scenic town of South Prairie (elevation 467′) and follows a gradual downhill route along the paved Foothills Rail Trail. Runners will enjoy a picturesque journey through farmland and forest, winding alongside the Carbon River and finishing in front of the historic McMillin Bridge (elevation 128′). The course features a net elevation loss of 339 feet.

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Race Facts

Race Size: 500 - 1,000

Elevation: Downhill

Course Type: Road

Boston Qualifier: Yes

Kids Run: No

Where to Stay

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