2025 Seattle Ghost Marathon, Half & 50K
- Date Sat 29th November 2025
- Time 6:00AM EST
- Location Seattle, Washington
- Price $107.00
- Races 3 races
- Distances Half Marathon, Ultra
Event summary
Get ready for the 2025 Seattle Ghost Marathon, Half & 50K taking place on Saturday, November 29, 2025! This exciting event marks the 40th running of the Seattle Ghost Marathon, a tradition that began in 1985. Athletes of all levels are invited to join in on the fun as they tackle a flat and fast course that is a certified Boston Marathon qualifier.
Participants will enjoy two scenic 13.1-mile loops along the picturesque shores of Lake Washington, starting and finishing at the Ferdinand St Boat Launch in Seattle’s beautiful Seward Park. With aid stations conveniently located every 3.1 miles, runners can stay refreshed while soaking in the stunning views. With a limit of just 450 participants, this event promises an intimate and supportive atmosphere. Don't miss your chance to be part of this beloved Seattle tradition!
Participants will enjoy two scenic 13.1-mile loops along the picturesque shores of Lake Washington, starting and finishing at the Ferdinand St Boat Launch in Seattle’s beautiful Seward Park. With aid stations conveniently located every 3.1 miles, runners can stay refreshed while soaking in the stunning views. With a limit of just 450 participants, this event promises an intimate and supportive atmosphere. Don't miss your chance to be part of this beloved Seattle tradition!
Organiser's Description
November 29, 2025, will be the 40th 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 two non-profit groups. NW Ultras has been the driving force behind the event since 2004 and Green Lake Crew has supported the event since 2013. It 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
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 two non-profit groups. NW Ultras has been the driving force behind the event since 2004 and Green Lake Crew has supported the event since 2013. It 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
Races
-
2025 Seattle Ghost Marathon
Incl. $7.00 Fee & Hoodie
Sat 29th November 2025 (7:00AM EST)
$107.00
Boston Marathon qualifier based on run time and gender. If you will take longer than 6 hours please start early. We have a 6am early start and you can start earlier if needed. -
2025 Seattle Ghost Half Marathon
Incl. $7.00 Fee & T-Shirt
Sat 29th November 2025 (8:00AM EST)
$107.00
If you will take longer than 5 hours please start early. We have a 6am early start and you can start earlier if needed. -
2025 Seattle Ghost 50K
Incl. $7.00 Fee & Hoodie
Sat 29th November 2025 (6:00AM EST)
$107.00
If you will take longer than 7 hours please start early. We have a 5am early start if needed.
2025 Seattle Ghost Marathon, Half & 50K