Seattle Ghost Marathon

NOV
29
2025
Run the 2025 Seattle Ghost Marathon, Half, or 50K on November 29 for scenic lakefront loops through Seward Park and Leschi. Certified and Boston qualifier, this small field race offers frequent aid stations and a fast, friendly race day.
Sat 29 Nov 2025
50 kilometers Marathon Half Marathon

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Event details

The 2025 Seattle Ghost Marathon, Half Marathon, and 50K take place on November 29, 2025, in Seattle, WA (zip 98118). Entry fees listed for each event are $150. Registration closes November 28, 2025. The event field is limited to 450 total participants across all races.

  • 2025 Seattle Ghost Marathon - two 13.1-mile loops
  • 2025 Seattle Ghost Half Marathon
  • 2025 Seattle Ghost 50K

Course and logistics

The start and finish are at the Ferdinand St Boat Launch, 5018 Lake Washington Blvd. S (47.557338, -122.262188). The marathon course uses two 13.1-mile loops on streets and sidewalks along Lake Washington. The route runs south with a clockwise loop of Seward Park, returns to the start area, continues north through Leschi, and has a north turnaround just past the Madrona Drive intersection (47.613496, -122.281265). Aid stations are located approximately every 3.1 miles on each loop. The course is certified and is a Boston Marathon qualifier. The event is managed by NW Ultras (since 2004) with support from Green Lake Crew (since 2013). Packet pickup is on race day. Dogs and strollers are not permitted on the course. Visit the organization's website for the most recent information.

50 km
50k
Marathon
Marathon
Half Marathon
Half Marathon

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