Mud Mountain Dam Half Marathon / 5K

  • Date Sat 20th September 2025
  • Time 8:15AM PDT
  • Location Buckley, Washington
  • Price $38.60 - $81.00
  • Races 2 races
  • Distances 5km, Half Marathon

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Event summary

Get ready for an exciting day of fitness and fun at the Mud Mountain Dam Half Marathon and 5K, taking place on Saturday, September 20th, 2025, in the picturesque town of South Prairie, Pierce. This vibrant fall event invites runners of all levels to experience the beauty of the Foothill Rail Trail, which features a stunning half marathon course starting at an elevation of 467 feet and gracefully descending 339 feet to finish at the Historic McMillin Bridge.

Participants in the half marathon will enjoy a scenic route that winds through charming farmlands and lush forests, all while snaking alongside the tranquil Carbon River. Meanwhile, the 5K race offers a delightful out-and-back course on the Foothills Trail, perfect for those looking to enjoy a shorter distance with stunning views. With a fully paved surface and a festive atmosphere, there’s truly no excuse not to join in and "do the dam thing!" Mark your calendars and prepare for a memorable day of community and camaraderie at this exciting event!

Organiser's Description

MARATHON UPDATE: The Spiketon Foothills connection bridge is scheduled to be complete in September, with the unknown that it could potentially not be finished we are NOT holding the Dam Marathon distance in 2025.

The Fall Event offers a half marathon & 5K, theres no excuse not to do the dam thing!

The Half Marathon course starts in the scenic town of South Prairie (elevation 467), gradually taking you downhill on the Foothill Rail Trail. Youll pass through farmlands and forest, snaking along the Carbon River, and finishing in front of the Historic McMillin Bridge (elevation 128). The surface of the course is fully paved. The Half Marathon has a net elevation loss of 339 feet.

The 5K course will be an out-and-back on the Foothills Trail. The 5K will start and finish in front of the McMillin Foothills Trail Bridge.

The 5K course will be an out-and-back with the loop along the FOOTHILLS TRAIL. The 5K will start and finish in front of the MCMILLIN FOOTHILLS TRAIL BRIDGE.

Races

  • Dam Half Marathon

    Incl. $6.00 Fee & Shirt

    Sat 20th September 2025 (8:15AM PDT)

    $81.00

  • Dam 5K

    Incl. $3.60 Fee & T-Shirt

    Sat 20th September 2025 (9:00AM PDT)

    $38.60

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Location

South Prairie Veterans Park, 350 WA-162, Buckley, 98321, WA, United States

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Sep 20, 2025

$38.60 - $81.00