Trillium Trail Run

The Dirty Turtle 25/50K is a challenging trail running event scheduled for May 17, 2025, at Green Mountain Horse Camp in Bremerton, WA. The course features 75% singletrack trails and 25% dirt/gravel roads, with 50K runners facing 7,000-8,000 feet of elevation gain on rugged terrain. Both distances o..

The Pigtails Challenge is a multi-distance ultramarathon held at Lake Youngs Watershed in Renton, Washington, over the weekend of May 24-25, 2025. Participants can choose from various events, including 50K, 100K, 100-mile, 150-mile, and 200-mile races. The course features a 9.4-mile loop with 900 fe..

The Sri Chinmoy 13-Hour Ultra is a timed endurance race held in Seattle, Washington, featuring a 1.54-mile loop course with scenic views of Lake Washington and the surrounding woods. Participants can compete solo or as part of relay teams in various race durations, including 3, 7, and 13 hours. The..

Ravenna Run the Ravine is a trail running event held in Ravenna Park, Seattle, offering participants the choice of 4k, 8k, or 12k distances. This event is part of the Tuesday Night Trail to Grill series, designed to cater to both novice and experienced runners. The course features a scenic loop with..

The Soaring Eagle Trail Run, taking place in Sammamish, Washington, offers a scenic escape from city life to the beautiful trails of Soaring Eagle Regional Park. Participants can choose from three race distances: 5K, 10K, and a half-marathon (13.1 miles), all set on well-maintained trails, including..

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...