Seattle Half Marathon
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2026 Seattle Marathon Summer : event overview
The event takes place on June 27, 2026 at Seward Park, 5900 Lake Washington Boulevard South, Seattle, WA. Courses are USATF certified. The event includes in-person and virtual options and lists 101 participants on the registration page. The site notes views of Lake Washington and Mt Rainier, and dogs are welcome on course.
Race details and logistics
Distances offered:
- 5K - 1 lap around Seward Park (USATF course WA17018RMB)
- 10K - 2 laps around Seward Park (USATF course WA17019RMB)
- Half Marathon (21.1 km) - 2 laps around Seward Park plus an out-and-back on Lake Washington Blvd S (USATF course WA23027RMB)
- Kids Fun Run - 1K (route listed)
Early packet pickup is scheduled at West Seattle Runner (2743 California Ave SW, Suite 101) and Super Jock N Jill Green Lake (7210 East Green Lake Dr N). Event-day packet pickup is also provided. All participants receive a race shirt, bib, medal, and finish-line refreshments. Top three overall finishers in the 5K, 10K and Half Marathon are eligible for cash prizes if they meet published time cutoffs (5K under 25 minutes; 10K under 45 minutes; Half under 1 hour 30 minutes). Non-cash age-division and category awards are sent by email after the race. Entry fees are non-refundable; the event runs rain or shine except for force majeure cancellations. Bandit entries are not allowed. Visit the organization's website for the most recent information.