Trail Running calendar near Mount Rainier National Park 2026-2027

A time based trail event at Fort Steilacoom Park on December 26, 2026 offering 3, 6, and 8 hour options on a 5 mile loop with about 520 feet gain and official aid station support plus handmade finisher awards.

A winter trail run at St. Edward State Park offering 4 mile and 8 mile looped courses with lakeshore single track, an on-course aid station, and nearby parking options including an alternate Bastyr University lot.

A Winter Trail Series event at Soaring Eagle Regional Park on January 16, 2027 offering 5 mile and Half Marathon courses on rolling, technical singletrack with multiple aid stations.

Interlaken Icicle Dash at Interlaken Park in Seattle on January 30, 2027 offers 5k and 10k trail races as the final event of the 2026/27 Winter Trail Series. The course uses a 2.5 km loop on paved boulevard and dirt trails.

A loop-based endurance run at Green Lake Park in Seattle where runners complete as many 3.2 mile laps as possible in timed formats. Events are offered in 12 hours and 5 hours.

A 50K trail race on the Yakima Skyline Rim Trail near Ellensburg, WA featuring about 9,200 ft of climbing, rocky single track and exposed high desert terrain. Multiple aid stations, enforced cutoffs and on-site primitive camping are provide..

A 25K out-and-back trail run near Ellensburg, WA, across exposed high-desert ridgelines with about 4,700 feet of climb. Rocky singletrack, two aid stations, an 8-hour cutoff and a mandatory 32-ounce water carry; primitive camping available.

An obstacle race weekend on May 1 to 2, 2027, at Meadow Wood Equestrian Center in Snohomish, Washington. Courses run on wooded trails and include a 5 km sprint, a 10 km super, a kids race, and spectator access.

The Trillium Trail Run will take place in Bainbridge Island on Saturday 8 May 2027. You can run between 5 and 10 kilometers.

A trail running weekend at the Leavenworth Ski Hill Area with a new 25k loop, a two-lap 50k, a town 5k and a kids race. Races include aid stations, finisher options and festival activities like food, music and a kids event.

Timed loop races at Magnuson Park near Lake Washington offer 13 hour and 7 hour solo formats with chip lap counting, a stocked aid station and a vegetarian post race meal, with proceeds supporting the Sri Chinmoy Marathon Team peace run.

A USATF-sanctioned trail event on Vashon Island on June 5, 2027 offering a 50K and shorter looped races over varied single-track and park trails. Field limited to 200 and proceeds support island youth athletics.

The Sisu 100 PNW will take place in Crystal Mountain on Friday 25 June 2027. You can run 100 miles.

SISU 24 PNW is a 24 hour choose your own adventure trail event at Camp Sheppard near Mount Rainier. Participants pick from six marked out and back trails, complete optional side quests, camp overnight, and earn points and awards.