Trail Running calendar near Joint Base Lewis-McChord 2026-2027

Timed trail event at Carkeek Park with 12 hour and 6 hour options, in-person Oct 24 and virtual Oct 1–31; limited field and proceeds support local trails.

A costumed community event at Lincoln Park featuring a trail 5K, kids dashes, and a virtual shirt option to support South Seattle College Cooperative Preschools. Registration includes a Monster Dash shirt and the 5K includes a timed bib.

An evening team relay in Ten Trails where teams of one to three hunt and return six hidden ghosts in Civic Park; free registration, prizes for fast finish, best team name, and best costume.

A 10K trail race in Port Gamble, WA with single track and dirt roads, about 600 ft of climbing, a costume contest, and awards for overall and masters finishers.

Trail races at Cougar Mountain Regional Wildland Park near Seattle offering 5k, 7.6 mile, 19.5 mile and 50k courses through forested single track, rolling hills and marshes. Proceeds support King County Parks.

Grand Ridge is the Evergreen season finale with 5-mile, half, marathon and 50K courses through forested Cascade foothills and cupless aid support.

Willapa Trail Festival in Chehalis WA offers flat gravel trail races from 5K to 100 miles on the Willapa Hills Trail with multiple aid stations and low entry fees.

Trail running at Carkeek Park in Seattle with 5k and 10k forest courses featuring varied trail widths and rolling to steep sections. The 10k is two laps of the 5k and includes substantial climb.

Celebrate Veterans 5K in Tacoma, WA is a community run and walk on November 15, 2026 at Pipeline/Orange Gate Park that honors veterans and supports Project Recover. Registration includes chip timing, a commemorative medal, race photos, and..

Trail races at Ravenna Park on November 21, 2026 with 4k, 8k and 12k options on a 4.1 km forest loop featuring moderate climbs and an aid station offering water and snacks.

A winter trail run at Redmond Watershed Preserve on December 5, 2026 offering 5 mile and half marathon distances. Wide groomed trails, shuttle parking, on course aid for the half marathon, and a Winter Wonderland costume contest.

Pigtails Run #21 is a low key trail event in Maple Valley on 12/12/2026 offering half marathon, marathon and 50K options. The mostly paved course has marked turnarounds, manned aid stations, and limited race support.

A roughly 10K trail race in Squaxin Park with start and finish at Reeves Middle School, holiday-themed aid, finisher medals, and a tree planted per finisher.

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 timed loop event at Green Lake Park in Seattle where runners complete as many 3.2-mile counter-clockwise laps as possible in 12 hours; a 5-hour option is available.

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