Black Diamond
Trail Running Calendar near Black Diamond 2026-2027
Explore the top trail runs near Black Diamond for 2026-2027! We've gathered 38 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
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.
November 2026
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 snacks.
December 2026
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.
Time-based trail running at Fort Steilacoom Park in Lakewood WA with 3, 6, and 8 hour options on a 5 mile loop.
January 2027
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.
March 2027
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.
May 2027
Trail weekend at Tiger Mountain near Issaquah featuring an ascent, a 50k, a three person relay and a combined Big Cat option.
Timed 1.54 mile loop races in Magnuson Park offering 13 hour and 7 hour solo formats with chip lap counting, a stocked aid station and a boxed vegetarian post race meal.
June 2027
A 24 hour choose-your-own-adventure trail event at Camp Sheppard, WA with six routes, nine side quests, live leaderboard, and solo or three person teams.