Skagit Flats Marathon, Half Marathon and 5K
Burlington, Washington, United States
Sep 13, 2026 - Sunday
5k, Half-marathon, Marathon
Race Information
Join the annual Skagit Flats Marathon, Half Marathon, and 5K! Renowned as the flattest Boston qualifier in Washington, this race offers a picturesque route through the scenic Skagit Valley farmlands, finishing on the Burlington-Edison High School track. The race has a cap on registration; secure your spot today for one of the state’s most beloved small-town races. Don’t miss this unforgettable experience!
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Skagit Flats Marathon, Half Marathon and 5K
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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: Yes
Kids Run: No
Where to Stay
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