Seattle Marathon Summer 2026

Official logo of Seattle Marathon Summer 2026 - marathon event in Seattle, United States 2026
Seattle Marathon Summer 2026 - Official Event Logo
📍 Seattle, Washington, United States
🏃 Road
📏 1 km, 5 km, 10 km, 21 km

The Seattle Marathon Summer 2026 takes place on June 27, 2026, at the scenic Seward Park in Seattle, Washington. Participants can expect typical summer weather for the Pacific Northwest, characterized by mild temperatures and varying degrees of sunshine, often ranging from comfortable morning coolness to warmer afternoon conditions. This road event, organized by the non-profit Seattle Marathon Association, offers a relaxed and community-oriented atmosphere featuring multiple distances set amidst tree-lined roads and views of Lake Washington and Mt. Rainier.

What distances are offered and when do they start?

  • Half Marathon: 7:00 AM
  • 5K: 8:30 AM
  • 10K: 9:30 AM
  • Kids Fun Run (1K): 10:45 AM

What is the course terrain like?

The event features a fully paved road course located within Seward Park. The terrain consists of a mix of flat sections and gentle rolling hills. The route includes shaded stretches and tree-lined roads, providing a calm environment suitable for families and beginners.

Where can I view the official race routes?

Are the race courses certified?

Yes, the courses are officially certified, ensuring results are recognized:

  • 5K: USATF WA17018RMB
  • 10K: USATF WA17019RMB
  • Half Marathon: USATF WA23027RMB

When and where can I pick up my race packet?

Are pets allowed to participate?

Yes, dogs are allowed to participate in this event, contributing to the relaxed and community-focused atmosphere.

What kind of atmosphere should I expect?

Unlike large-scale city marathons, this event is designed to be a low-pressure, scenic, and family-friendly experience. It emphasizes a strong community feel and includes dedicated segments for children, such as the Kids Fun Run.

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