Fall Mud Mountain Dam Marathon & Half Marathon
- Date Sat 19th September 2026
- Time 7:00AM PDT
- Location Enumclaw, Washington
- Price $77.40 - $88.10
- Races 2 races
- Distances Marathon, Half Marathon
Event summary
Get ready for an exhilarating day of racing at the Fall Mud Mountain Dam Marathon & Half Marathon on Saturday, September 19, 2026, in the charming town of Enumclaw, King County! This exciting event marks the return of the Full Marathon, offering participants the perfect opportunity to chase their Boston Qualifier on a scenic, fully paved downhill course. Starting at the stunning Mud Mountain Dam at an elevation of 1,400 feet, runners will traverse breathtaking farmlands and lush forests, following the Carbon River and finishing in front of the historic McMillin Bridge at an elevation of just 200 feet, making for a total net elevation loss of approximately 1,200 feet.
For those looking to tackle a shorter distance, the Half Marathon kicks off in the picturesque town of South Prairie at 467 feet elevation. Runners will enjoy a gradual downhill route on the paved Foothills Rail Trail, winding through beautiful landscapes and finishing at the same iconic spot as the marathon. With a net elevation loss of 339 feet, it's an ideal course for those seeking a fast and enjoyable race experience. Don't miss out on this incredible opportunity to run through nature's beauty while achieving your personal best!
For those looking to tackle a shorter distance, the Half Marathon kicks off in the picturesque town of South Prairie at 467 feet elevation. Runners will enjoy a gradual downhill route on the paved Foothills Rail Trail, winding through beautiful landscapes and finishing at the same iconic spot as the marathon. With a net elevation loss of 339 feet, it's an ideal course for those seeking a fast and enjoyable race experience. Don't miss out on this incredible opportunity to run through nature's beauty while achieving your personal best!
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.
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.
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
-
Fall Dam Marathon
Incl. $8.10 Fee & Tech T-Shirt
Sat 19th September 2026 (7:00AM PDT)
$88.10
OPENS 01 JAN 26 -
Fall Dam Half Marathon
Incl. $7.40 Fee & Tech T-Shirt
Sat 19th September 2026 (9:00AM PDT)
$77.40
OPENS 01 JAN 26
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Location
30525 SE Mud Mountain Rd, Enumclaw, 98022, WA, United States
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Fall Mud Mountain Dam Marathon & Half Marathon
