Trail Running calendar near Bonney Lake 2026-2027

A forest loop at Seward Park on December 19, 2026, offering **4.2-mile** and **10k** trail distances, an aid station, and a Glitter, Glamour, and the Galaxy costume contest as part of the Winter Trail Series.

Timed endurance event at Fort Steilacoom Park on Dec 26, 2026 with 3, 6, and 8 hour options on a 5 mile loop with 520 ft of gain.

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 out and back trail race near the Yakima River Canyon with about 9,200 ft of elevation gain, exposed high desert terrain, aid stations, and primitive on-site camping.

Out and back 25K trail run near Ellensburg, WA with 4,700 feet of elevation gain, two aid stations, mandatory 32 oz water carry and primitive on-site camping.

Weekend Spartan obstacle races at Meadow Wood Equestrian Center near Snohomish with 5 km and 10 km courses plus kids races and spectator options.

Scenic 10K, 5K and kids 1-mile runs from Battle Point Park along the Forest to Sky Trail on Bainbridge Island with proceeds supporting local trail development.

Trail races and a weekend festival in Leavenworth, WA on May 29, 2027 with 5k, 25k and 50k options plus family and youth events.

Timed loop races in Magnuson Park with 13 hour and 7 hour solo options on a scenic 1.54 mile loop, chip lap counting, aid station, t shirt and boxed vegetarian meal.

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 TedDriven Overland Ultra Relay (Tour) will take place in Leavenworth from Friday 18 June 2027 to Sunday 20 June 2027. You can run between 75 and 225 miles.

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.