Dirt Circus - Seattle

The Lake Tye Challenge is an ultramarathon held in Monroe, Washington, featuring 12-hour, 6-hour, and 3-hour timed races on a 1.75-mile loop trail around Lake Tye. Participants run as many laps as possible within their chosen time frame, with results based on total completed laps. The flat, clockwis..

The Rainier to Ruston Relay is a scenic and historic relay race held in Tacoma, Washington, celebrating National Trails Day. Teams of 2 to 6 runners cover 12 legs, each about 3 to 6 miles, starting near the Carbon River entrance of Mount Rainier National Park and finishing at Marine Park on Tacoma's..

The We Out Here Trail Festival is a welcoming trail running event held at St. Edwards State Park in Kenmore, Washington, on June 7, 2025. Designed especially for first-time trail runners, the festival offers looped courses of approximately 1.9, 3.8, and 5.7 miles, as well as a two-hour timed option...

The Vashon Island Ultramarathon & Trail Run, held on Vashon Island, Washington, offers three race distances: 50K, 20 miles, and 10 miles. The event features a rolling course primarily on single and double track trails within the Island Center Forest’s Gateway Trail system, including some dirt roads..

The Light at the End of the Tunnel Marathon is a fast, downhill point-to-point race held in Washington State, starting at Snoqualmie Pass and finishing in North Bend. Known for its consistent downhill grade with over 2,000 feet of elevation loss, the course offers runners an excellent opportunity to..

The Cougar Mountain Trail Run Series #2 takes place at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, just 15 minutes from Seattle. This event offers three distance options: 5k, 8.2 miles, and 14.5 miles, featuring a variety of trails that range from narrow, technical..