2026 Seattle Ghost Marathon, Half & 50K

Sat, Nov 28, 2026, 6:00 AM PST

Location: Seattle, WA; 5018 Lake Washington Blvd. S, 98118
Type: ULTRA

Official registration Past results (if available)

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Course feel, difficulty, and community fit are being added to this listing. Check back, and always confirm details on the official registration page.

Distances & registration

3 options

Registration for all distances is through the official signup link above.

13.1 Miles
Sat, Nov 28, 8:00 AM PST · From $128.20
Opens Nov 28, 2025, 12:00 AM PST · Closes Dec 31, 2025, 6:59 PM PST
26.2 Miles
Sat, Nov 28, 7:00 AM PST · From $128.20
Opens Nov 28, 2025, 12:00 AM PST · Closes Dec 31, 2025, 6:59 PM PST
50K
Sat, Nov 28, 6:00 AM PST · From $128.20
Opens Nov 28, 2025, 12:00 AM PST · Closes Dec 31, 2025, 6:59 PM PST

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The course

From the organizer

November 28, 2026, will be the 41st running of the Seattle Ghost Marathon. It started in 1985 when the Seattle Marathon changed courses and moved from Saturday to Sunday of Thanksgiving weekend.

The course is a very flat and fast certified Boston Marathon qualifier. The marathon is comprised of two 13.1-mile loops run on streets and sidewalks along scenic Lake Washington in Seattle, WA.

The race start/finish is at the Ferdinand St Boat Launch (47.557338, -122.262188) 5018 Lake Washington Blvd. S, Seattle, WA 98118. It runs south with a clockwise loop of scenic Seward Park and back north to the start/finish area. It continues north along Lake Washington through Leschi. The north turnaround is just past the Madrona Drive intersection (47.613496, -122.281265) then you run south back to the start/finish. There are aid stations every 3.1 miles on each loop.

The race is managed and supported by the non-profit NW Ultras which has been the driving force behind the event since 2004. Green Lake Crew has supported the event since 2013. The race is limited to 450 total participants regardless of which event they run.

Packet pickup is on race day.

No dogs are strollers are permitted on the course due to the sidewalk sections.

See more details on www.nwultras.com

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