Spring - Mud Mountain Dam Marathon & Half Marathon
When is Spring - Mud Mountain Dam Marathon & Half Marathon?
Spring - Mud Mountain Dam Marathon & Half Marathon takes place on Saturday, May 30, 2026 in Enumclaw, WA.
What distances does Spring - Mud Mountain Dam Marathon & Half Marathon offer?
Spring - Mud Mountain Dam Marathon & Half Marathon offers 2 events: Spring - Dam Half Marathon, Spring - Dam Marathon.
| Event | Distance | Price | |
|---|---|---|---|
| Spring - Dam Half Marathon | 13.1 mi | $90.00 | Register |
| Spring - Dam Marathon | 26.2 mi | $100.00 | Register |
How much does Spring - Mud Mountain Dam Marathon & Half Marathon cost?
Registration for Spring - Mud Mountain Dam Marathon & Half Marathon starts at $100.00. Prices vary by event distance.
Where is Spring - Mud Mountain Dam Marathon & Half Marathon held?
Spring - Mud Mountain Dam Marathon & Half Marathon is held in Enumclaw, WA at 30525 SE Mud Mountain Rd.
About Spring - Mud Mountain Dam Marathon & Half Marathon
May 30, 2026 – The Full Marathon Returns!
We’re excited to announce that the Full Marathon is coming back on May 30, 2026, and will also be part of our September event. 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!
Marathon
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′.
Half Marathon
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.
Volunteer
Sign up to volunteer with us (2024 Volunteer Offerings TBA).