Spring - Mud Mountain Dam Marathon & Half Marathon
- Date Sat 30th May 2026
- Time 7:00AM PDT
- Location Enumclaw, Washington
- Price $93.45 - $98.80
- Races 2 races
- Distances Marathon, Half Marathon
Event summary
Get ready for an exhilarating experience at the Spring Mud Mountain Dam Marathon and Half Marathon on Saturday, May 30, 2026, in the beautiful Enumclaw, King County! This exciting event marks the return of the Full Marathon, offering runners a chance to tackle a stunning, fully paved downhill course that is ideal for achieving Boston Qualifier times, with no tunnels or dirt to slow you down.
The Full Marathon kicks off at the scenic Mud Mountain Dam, starting at an elevation of 1,400 feet and winding through picturesque farmlands and lush forests, following the serene path of the Carbon River. Runners will finish strong in front of the iconic McMillin Bridge, celebrating a remarkable net elevation drop of approximately 1,200 feet. For those looking for a shorter distance, the Half Marathon begins in the charming town of South Prairie at 467 feet, also featuring a gradual downhill route along the paved Foothills Rail Trail. This captivating course leads participants alongside the Carbon River, culminating in a breathtaking finish at the historic McMillin Bridge at 128 feet. Don’t miss out on this incredible opportunity to run through nature’s beauty while chasing your racing goals!
The Full Marathon kicks off at the scenic Mud Mountain Dam, starting at an elevation of 1,400 feet and winding through picturesque farmlands and lush forests, following the serene path of the Carbon River. Runners will finish strong in front of the iconic McMillin Bridge, celebrating a remarkable net elevation drop of approximately 1,200 feet. For those looking for a shorter distance, the Half Marathon begins in the charming town of South Prairie at 467 feet, also featuring a gradual downhill route along the paved Foothills Rail Trail. This captivating course leads participants alongside the Carbon River, culminating in a breathtaking finish at the historic McMillin Bridge at 128 feet. Don’t miss out on this incredible opportunity to run through nature’s beauty while chasing your racing goals!
Organiser's Description
May 30, 2026 The Full Marathon Returns!
Were 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.
Theres 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.
Were 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.
Theres 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.
Races
Reviews
Doing this event?
First-hand event reviews from people who have been there, done that and got the breathable T-shirt, really help everyone choose their next event. You'll be able to review this event once it's taken place.
Location
30525 SE Mud Mountain Rd, Enumclaw, 98022, WA, United States
Spring - Mud Mountain Dam Marathon & Half Marathon
