September 19, 2026 – The Full Marathon Returns!
We’re 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!
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.
Sep 19, 2026
Distance — 26.2 Miles
Type — Running
07:00
$80.00
Sep 19, 2026
Distance — 13.1 Miles
Type — Running
08:15
$70.00
These values represent the 3-year monthly averages for September in Enumclaw.
Learn more about the host city, Enumclaw.
Enumclaw is a city in King County, Washington, United States. The population was 12,543 at the 2020 census.
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