About This Race

The Seattle Ghost Marathon, Half Marathon & 50K is presented by NW Ultras on a flat, fast course along Lake Washington Boulevard. The half marathon is a single loop, the marathon two loops, and the 50K adds a loop of Seward Park. The race is USATF certified and a Boston Marathon qualifier, with entry fees supporting NW Ultras and Green Lake Crew.

Course & Race Day Details

USATF Certified Course
Flat course
Elevation
Flat Course
Road surface
Surface
Road Surface
Swag
Race Swag
2026 Seattle Ghost Marathon, 2026 Seattle Ghost Half Marathon, 2026 Seattle Ghost 50K: Swag Included

Hydration Support

Fully stocked aid stations keep runners fueled and hydrated.

Awards

Awards for overall winners based on gun time for those starting at the designated race start times.

Charity Beneficiary

NW Ultras and Green Lake Crew

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Choose Your Distance

2026 Seattle Ghost Marathon Marathon
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.
$140.00
Increases Jul 19
Register
2026 Seattle Ghost Half Marathon Half Marathon
If you will take longer than 5 hours please start early. We have a 6am early start and you can start earlier if needed.
$140.00
Increases Jul 19
Register
2026 Seattle Ghost 50K 50K
If you will take longer than 7 hours please start early. We have a 5am early start if needed.
$140.00
Increases Jul 19
Register