Carkeek 12 Hour

Seattle, United States • 25 Oct 2025

The Carkeek 12-Hour event, organized by Endless Trails, is a challenging running experience set in Carkeek Park, Seattle. Scheduled for October 25, 2025, participants can choose between a 12-hour or a 6-hour race, both featuring a scenic 1.93-mile loop with significant elevation gain. This event not only tests endurance but also embraces the Halloween spirit, encouraging costumes and festive participation. As a fundraiser for local trails, all proceeds support trail work and advocacy in the Northwest. With a focus on community and fun, the Carkeek 12-Hour promises a memorable experience for all runners. Visit the organization's website for the most recent information.

Race information

12 hr
12hr
6 hr
6hr
Visit the organization's website for the most recent information.
Trail runs nearby

The Mardi Gras Soaring Eagle Trail Race, taking place on March 1, 2025, in Sammamish, Washington, offers participants the choice of a 5-mile or 10-mile trail run. This festive event celebrates Fat Tuesday with a New Orleans flair, featuring a Mardi Gras medal for all finishers, along with custom T-s..

Running Up For Air - Tiger Mountain is a running event scheduled for March 8, 2025, in Issaquah, WA. The event features multiple race formats, including a 12-hour solo race, a 6-hour race, a 3-hour race, and a 12-hour two-person team challenge. However, due to a recent windstorm that significantly i..

The Lord Hillbilly Trail Run, taking place at Lord Hill Regional Park in Snohomish, WA, features a variety of race distances including a 5k, 10k, and half marathon, along with a free 1.2-mile kids' run. This event is part of the Goat Series, known for its challenging hilly courses that help particip..

The A2PT 5K MS Fundraiser is a family-friendly fun run taking place on the scenic Titlow Trails in Tacoma, WA. This event aims to raise funds for a multiple sclerosis program, providing pro bono physical therapy services and access to advanced treatment technology for those affected by MS. Participa..

The Dash Point Trail Run is an exciting running event set in Dash Point State Park, a scenic 398-acre park located in Federal Way, Washington. Participants can choose between a 10K and a half marathon (13.1 miles), both of which feature well-maintained trails that offer stunning views of Puget Sound..

The Spring Run for Fun at Bridle Trails is a running event taking place at Bridle Trails State Park in Kirkland, WA. Participants can choose from various distances, including a 5 km, 10 km, Half Marathon, and Marathon. The park features well-maintained trails amidst a beautiful forest setting, makin..