Seattle Ghost Marathon
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Seattle Ghost Marathon
The Seattle Ghost Marathon, Half and 50K take place in Seattle on November 28, 2026. The full marathon is staged as two 13.1-mile loops on streets and sidewalks along Lake Washington. The start and finish are at the Ferdinand St Boat Launch, 5018 Lake Washington Blvd. S (47.557338, -122.262188).
The marathon route runs south with a clockwise loop around Seward Park, returns north to the start area, then continues north through Leschi to a turnaround just past Madrona Drive (47.613496, -122.281265) before heading back to the start. Aid stations are provided every 3.1 miles on each loop. The marathon course is certified and designated as a Boston Marathon qualifier.
The event is managed and supported by the non profit NW Ultras since 2004, with support from Green Lake Crew since 2013. The race is limited to 450 total participants across all events. Packet pickup is conducted on race day. Due to sidewalk sections, dogs and strollers are not permitted on the course.
Distances Visit the organization's website for the most recent information.
- Marathon - two 13.1 mile loops
- Half Marathon
- 50K
