Seattle Summer Half Marathon

JUN
12
2027
In-person and virtual races at Seward Park on June 12, 2027, include 5K, 10K, half marathon and a 1K kids run. USATF certified courses, participant shirt, bib, medal and finish-line refreshments are provided.
Sat 12 Jun 2027
Half Marathon 15 kilometers 10 kilometers 5 kilometers

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Seattle Marathon Summer Events : Seward Park

The Seattle Marathon Summer Events take place at Seward Park in Seattle on June 12, 2027. The event offers multiple in-person distance options and parallel virtual options, with packet pickup available at local running stores in the days before the event and on event day at Seward Park.

Distances offered:

  • 5K
  • 10K
  • Half Marathon (21.1 km / 13.1 miles)
  • Kids Fun Run (1K)

The 5K, 10K and Half Marathon courses are USATF certified (WA26024RMB, WA26023RMB, WA26022RMB). The Kids Fun Run is not certified. Virtual entries are available for the half, 10K, 5K, Kids Fun Run and combination bundles.

All in-person participants receive a participant shirt, bib, medal and finish-line refreshments. Cash prizes are awarded to the top three overall men, women and non-binary finishers in each distance who meet specified finishing standards; student athletes are not eligible for cash awards. Non-cash awards are later distributed by age division and to top active military and masters competitors.

Entry fees are non-refundable. The event proceeds rain or shine except in a force majeure cancellation. The organizer offers comped in-person entries for athletes who can verify qualifying times within the last two years and maintains year-round early bird pricing for active and veteran military with proof of service. Visit the organization's website for the most recent information.

Half Marathon
Half Marathon
15 km
5k / 10k Bundle
10 km
10k Run/walk
5 km
5k Run/walk
Kids Fun Run
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