Event Details
Date: Saturday, October 25, 2025
Location: 950 North West Carkeek Park Road, Seattle, WA
Distances: 12HR and 6HR options available.
Registration: Registration closes on Tue, Oct 21 @ 11:59PM PT.
Race Overview
Carkeek has a reputation as the toughest 12-hour out there. Navigate the challenging terrain while enjoying the festive Halloween spirit!
Costume Contest
Come dressed in your best Halloween costumes! Additional prizes await for the best costumes and support for pets in costumes as well.
Fundraiser for Trails
Your participation supports trail work, education, and advocacy across the Northwest.
Start Times
12HR: 7:00 AM
6HR: 9:00 AM
