Dam Marathon (WA) Half Marathon
Race Day Weather
Cool start — fast day potential, big temp swing
A cool 49°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Temps will climb significantly to 65°F by later miles, so expect fading conditions as the race progresses.
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Race Info
The Dam Marathon's half marathon starts in South Prairie and follows the paved Foothills Rail Trail on a gradual downhill, with a net elevation loss of 339 feet. The route winds through farmland and forest beside the Carbon River and finishes in Orting near the McMillin Bridge. It is run on the Saturday of race weekend and is USATF-certified.
