Snoqualmie Valley Half
Carnation, Washington, United States
Jun 20, 2026 - Saturday
10k, Half-marathon
Race Information
Flat, Fast and in the Forest run that's USATF Certified, Orca Running Quality!
The Snoqualmie Valley Trail meanders through one of the area’s most beautiful agricultural areas, the Snoqualmie Valley Half showcases this natural gem. This race is flat and fast and the surface is smooth and non-technical and showcases old-growth forest and farmland. You’ll have a spectacular and fast finish in the shadow of the historic big red barn at King County’s Tolt MacDonald Park!
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RunGuides Pick of the Month: Downhill Super Series 🪽
3 of the Fastest Boston Qualifier Courses in the U.S.
#22 Fastest | #35 Fastest | #5 Fastest 🇺🇸
Boston Marathon qualifying eligible with no downhill penalty! Marathon and half marathon distances un through the iconic Snoqualmie Tunnel.
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🪽 Super Hyak Marathon & Half - June 13th
🌲 Jack & Jill Marathon & Half - July 25 & 26th
⛰️ Cascade Express Marathon & Half - Sept. 12th
These smooth rail-trail courses feature sustained net downhill profiles designed to help runners chase personal bests and Boston Qualifying times. Located along the Palouse to Cascades Trail, this historic rail tunnel offers cool temperatures and a unique running experience before the course continues downhill toward the finish.
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Race Facts
Race Size: 500 - 1,000
Elevation: Fast and Flat
Course Type: Road
Boston Qualifier: No
Kids Run: No
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