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Trail Running Calendar near Bremerton 2026-2027

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Explore the top trail runs near Bremerton for 2026-2027! We've gathered 30 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

December 2026
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.
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 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.
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.
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.
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
Looped trail races on Vashon Island featuring 50K, 20 mile and 10 mile courses through the Gateway Trail system and mixed-terrain park trails.
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