Fall - Mud Mountain Dam Marathon & Half Marathon

Fall - Mud Mountain Dam Marathon & Half Marathon

Sat September 19, 2026

Enumclaw, WA 98022 US

Events

• Fall - Dam Marathon
  Price: $100 (Strikethrough), $95 (Current)
  Time: 7:00AM PDT
  Price increases after May 31, 2026 at 11:00pm PDT
• Fall - Dam Half Marathon
  Price: $90 (Strikethrough), $85 (Current)
  Time: 8:15AM PDT
  Price increases after May 31, 2026 at 11:59pm PDT

Description

September 19, 2026 – The Full Marathon Returns! We’re excited to announce that the Full Marathon is coming back in 2026. 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.

Additional race information can be found at https://tcmaevents.com/mud-mountain-marathon-fall/

Additional Fees: Tariff Surcharge : $2.00

Location: 30525 S.E. Mud Mountain Rd. Enumclaw WA US - 98022