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UW Medicine Seattle Marathon and Half Marathon

Sunday, November 29, 2026Seattle, Washington

In 27 days

Marathon$204.72 Half Marathon$187.49

Entry

Registration open

Seattle's original hometown marathon and the oldest marathon in the Pacific Northwest, held Thanksgiving weekend with a rolling-hills course past Seattle's bridges, waterways and architecture. Full Marathon starts 7:00 AM and Half Marathon starts 8:30 AM on Sunday, November 29, 2026.

Key dates

Registration opens

Nov 28, 2025

Registration closes

Nov 27, 2026

25d

Race day

Nov 29, 2026

27d

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Listed from Race Roster. Checked Nov 2, 2026.