2026 Seattle Ghost Marathon, Half & 50K

Event Date

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.

Course Details

• Certification: The course is a very flat and fast certified Boston Marathon qualifier.
• Loop Structure: The marathon is comprised of two 13.1-mile loops run on streets and sidewalks along scenic Lake Washington in Seattle, WA.
• Start/Finish Location: The race start/finish is at the Ferdinand St Boat Launch (47.557338, -122.262188) 5018 Lake Washington Blvd. S, Seattle, WA 98118.
• Turnaround Point: The north turnaround is just past the Madrona Drive intersection (47.613496, -122.281265).

Race Management

• Organization: The race is managed and supported by the non-profit NW Ultras which has been the driving force behind the event since 2004.
• Support: Green Lake Crew has supported the event since 2013.
• Participant Limit: The race is limited to 450 total participants regardless of which event they run.
• Packet Pickup: Packet pickup is on race day.

Course Regulations

• Animals & Strollers: No dogs or strollers are permitted on the course due to the sidewalk sections.
• Aid Stations: There are aid stations every 3.1 miles on each loop.
• Additional Info: See more details on www.nwultras.com.
• Official Race Link: Visit this link for more information.