Seattle Marathon
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Event overview
The UW Medicine Seattle Marathon and Half Marathon takes place in Seattle, WA over the Thanksgiving weekend (November 28–30, 2025). Pre-race activities and the Health & Fitness Expo are held at The Westin Seattle, which serves as the official race headquarters. The in-person marathon and half marathon start near 5th & Harrison and finish at Bell Harbor Pier 66. The weekend also includes a Kids Marathon at Bell Harbor Pier 66 and an in-person expo on the days prior to the races.
Race details and policies
- Full Marathon
- Half Marathon
- Virtual Full Marathon
- Virtual Half Marathon
Participants receive a long sleeve participant shirt, a race bib, and a finisher medal. Paid finisher apparel and post-race massage are offered for purchase. Comped entries are available for in-person events for athletes with qualifying times within the last two years; qualifying times are listed separately for half and full distances. Entry fees are non-refundable. The event will take place rain or shine except for force majeure cancellations; in that case there are no refunds. Additional policies: no race day registration, no bib pick up on race day, and no bandits on the course. The event page lists about 4,520 participants and shows fundraising organizations and totals. The Westin Seattle offers a discounted room block with a listed nightly rate and a November 1, 2025 cutoff to reserve the reduced rate. Parking is recommended to be reserved in advance. Visit the organization's website for the most recent information.