Dirty Turtle 25/50k

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..

The Tiger Mountain Trail Run, held in Issaquah, Washington, offers a premier Pacific Northwest trail running experience in the scenic Tiger Mountain State Forest. Participants can choose from 5k, 12k, and half marathon distances, each featuring well-marked loop courses through the Tradition Plateau..

The Hotfoot 5K Trail Run is an annual running event taking place in Port Orchard, Washington, featuring a 5K trail course and a 1-mile trail course. The event is designed for participants of all skill levels and is set in the scenic South Kitsap Regional Park, which offers a mostly flat course that..

The Silver Creek Trail Run Half Marathon, held at Night Owl Landing in Kingston, Washington, offers a scenic trail running experience through a 122-acre private resort featuring Douglas Fir, Big Leaf Maples, Alders, and Western Red Cedar. The event includes 5K, 10K, and half marathon distances, with..

The Carkeek Warmer Trail Run, held at Carkeek Park in Seattle, WA, features 5k and 10k distances on June 24, 2025. The course offers six miles of dynamic, roller-coaster trails through forested terrain, combining wide, rolling paths with narrow, steep sections. The 5k route includes a mix of gentle..

The Tiger Peak Challenge is a demanding trail running event held in Issaquah, Washington, within the scenic Tiger Mountain State Forest. Participants can choose from three distances: 5 miles, a half marathon, or a 50K ultra, all featuring significant elevation gains—500 feet for the 5-mile, 4,000 fe..