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Enumclaw, WA

Spring - Mud Mountain Dam Marathon & Half Marathon

  • Date
  • First start7:00 AM PDT
  • Location30525 SE Mud Mountain Rd, Enumclaw, WA 98022
  • DistancesMarathon · Half Marathon
  • SurfaceTrail
  • SwagTech T-Shirt

Bib Scout Report

  • Trail
  • Boston Qualifier
Events, current fees, and scheduled price increases
EventDistanceStartCurrent feeNext increase
Spring - Dam MarathonMarathon7:00 AM PDT$115$125 on
Spring - Dam Half MarathonHalf Marathon8:15 AM PDT$105$115 on

Scouted from the official RunSignup listing. Fees shown exclude processing fees.Merit badges are detected from the organizer’s description. Dates, courses, and prices can change — confirm on the registration page.

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Spring - Mud Mountain Dam Marathon & Half Marathon · Enumclaw, WA

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About Spring - Mud Mountain Dam Marathon & Half Marathon

Start Planning Now for Your Next Boston Qualifier! Take on a beautiful, fully paved downhill course with no tunnel, no dirt, and no BQ downhill penalty. Full Marathon The Marathon starts at Mud Mountain Dam, high above the Carbon River at an elevation of approximately 1,400 feet. From there, runners will follow a fully paved downhill route through picturesque farmland and forest, tracing the scenic Carbon River before finishing at the McMillin Farm Collective at approximately 128 feet. That's a net elevation loss of about 1,200 feet—a fast, scenic course built for a memorable Boston Qualifier! Half Marathon The Half Marathon starts in the scenic town of South Prairie at approximately 467 feet and follows a gradual downhill route along the paved Foothills Rail Trail. Runners will wind through farmland and forest alongside the Carbon River before finishing at the McMillin Farm Collective,…

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