UW Medicine Seattle Marathon

Seattle, Washington, United States

Nov 29, 2026 - Sunday

Half-marathon, Marathon

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Race Information

The UW Medicine Seattle Marathon and Half Marathon, Seattle's original hometown marathon and the oldest marathon in the Pacific Northwest, is set on a beautiful course with rolling hills and scenic views of Seattle’s iconic bridges, waterways and architecture. Take part in this iconic Thanksgiving weekend tradition and see why we've been RUNNING SEATTLE SINCE 1970.

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📍Easton, WA - September 19-20, 2026

Ultra Flat. Ultra Fast. Ultra Friendly!

SAVE 10% On Your Entry. Use Code RG10

Why We Like This Run

  • Flat and fast course perfect for first-time ultras
  • 25K, 50K, 50M, 100K and 100M distances
  • Great for a PR for seasoned ultra runners
  • 50M, 100K, and 100M finishers receive custom buckle

Runners enjoy stunning views of Keechelus Lake and surrounding mountains while tackling smooth, runnable terrain designed for both first-time ultrarunners and seasoned veterans.

Get Event Info

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Race Facts

Race Size: 5,000 - 10,000

Elevation: Some Hills

Course Type: Road

Boston Qualifier: Yes

Kids Run: Yes

Where to Stay

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