Fall - Mud Mountain Dam Marathon & Half Marathon
- Date Sat 19th September 2026
- Time 7:00AM PDT
- Location Enumclaw, Washington
- Price $88.10 - $98.80
- Races 2 races
- Distances Marathon, Half Marathon
Event summary
Get ready for an exhilarating day of running at the Fall - Mud Mountain Dam Marathon & Half Marathon on Saturday, September 19, 2026, in the picturesque Enumclaw, King County. This year, the Full Marathon is back, offering runners an incredible opportunity to chase their Boston Qualifier on a stunning fully paved downhill course! Starting at the Mud Mountain Dam at an elevation of 1,400 feet, participants will be treated to breathtaking views as they traverse through charming farmlands and lush forests, ultimately finishing in front of the historic McMillin Bridge at an elevation of just 200 feet. With a total net elevation loss of approximately 1,200 feet, this marathon is designed for speed and enjoyment!
For those looking for a shorter challenge, the Half Marathon kicks off in the scenic town of South Prairie at 467 feet. Runners will enjoy a gradual downhill journey along the paved Foothills Rail Trail, following the serene Carbon River and concluding at the same iconic McMillin Bridge, but at a welcoming elevation of 128 feet. With a net elevation loss of 339 feet, both races promise a delightful experience for runners of all levels. Don’t miss this chance to embrace the beauty of the Pacific Northwest while
For those looking for a shorter challenge, the Half Marathon kicks off in the scenic town of South Prairie at 467 feet. Runners will enjoy a gradual downhill journey along the paved Foothills Rail Trail, following the serene Carbon River and concluding at the same iconic McMillin Bridge, but at a welcoming elevation of 128 feet. With a net elevation loss of 339 feet, both races promise a delightful experience for runners of all levels. Don’t miss this chance to embrace the beauty of the Pacific Northwest while
Organiser's Description
September 19, 2026 The Full Marathon Returns!
Were excited to announce that the Full Marathon is coming back in 2026, and will also be part of our. Start planning now for your next Boston Qualifier on this beautiful, FULLY PAVED DOWNHILL COURSE, NO TUNNEL, NO DIRT, NO BQ TIME 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 in 2026, and will also be part of our. Start planning now for your next Boston Qualifier on this beautiful, FULLY PAVED DOWNHILL COURSE, NO TUNNEL, NO DIRT, NO BQ TIME 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
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30525 S.E. Mud Mountain Rd., Enumclaw, 98022, WA, United States
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Fall - Mud Mountain Dam Marathon & Half Marathon
