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
Sign up and verify details on the organizer’s official page.
At a glance
A historic, flat, and fast Boston Marathon qualifier, offering scenic loops along Lake Washington with non-profit support.
- Scenic
- Competitive
- For a Cause
Scenic
Competitive
For a CauseThe 41st annual Seattle Ghost Marathon offers a very flat and fast Boston Marathon qualifying course along scenic Lake Washington. This historic event, supported by the non-profit NW Ultras, features two 13.1-mile loops through streets and sidewalks. Runners will enjoy views of Seward Park and the lakefront through Leschi. With a participant limit of 450, it promises a focused and supported race experience.
What to expect
A very flat and fast Boston Marathon qualifying course. A two-loop course along scenic Lake Washington, including Seward Park. Aid stations every 3.1 miles on each loop. Limited to 450 total participants.
Standout details
- 41st annual running
- Boston Marathon qualifier
- Non-profit supported event
- Limited to 450 participants
Auto-drafted from the public listing — confirm details on the official event page before signing up.
Distances & registration
3 optionsRegistration 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 Nov 27, 2026, 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 Nov 27, 2026, 6:59 PM PST
- 50K
Sat, Nov 28, 6:00 AM PST · From $128.20
Opens Nov 28, 2025, 12:00 AM PST · Closes Nov 27, 2026, 6:59 PM PST
Vibe Check
Push Potential
Push Potentiallonger distance
- Rolling area
The course
- Rolling
- Timed race
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
Also in this area
Similar vibe nearby
Races nearby with a similar atmosphere.
Easier options nearby
Lower-difficulty races in the same state.
More demanding options nearby
Higher-difficulty races in the same state.