2 events in Enumclaw, Washington

From big races to Saturday morning group runs—find half marathon events and connect with the local endurance sports community.

• Spring - Mud Mountain Dam Marathon & Half Marathon [tcmaevents.com] [Register at runsignup.com]
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  Sat, May 30, 2026 at 7:00 AM

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  May 30, 2026 – The Full Marathon Returns!

  We’re 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...

  May 30, 2026 – The Full Marathon Returns!

  We’re 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.

  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.

  13.1 Miles 26.2 Miles Half Marathon Run Trail

  30525 SE Mud Mountain Rd, Enumclaw, Washington, 98022, United States
  OpenStreetMap Google Maps
• Fall - Mud Mountain Dam Marathon & Half Marathon [tcmaevents.com] [Register at runsignup.com]
  • Subscribe to My Calendar (sign in required)

  • ---

  • Download single event

  Sat, Sep 19, 2026 at 7:00 AM

  Description

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  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...

  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.

  13.1 Miles 26.2 Miles Half Marathon Run Trail

  30525 SE Mud Mountain Rd, Enumclaw, Washington, 98022, United States
  OpenStreetMap Google Maps

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