West Seattle
Trail Running Calendar near West Seattle 2026-2027
Explore the top trail runs near West Seattle for 2026-2027! We've gathered 64 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
June 2027
Timed three, six and twelve hour loop races on a flat 1.70 mile paved course around Lake Tye with aid stations, chip timing and awards.
A 50 mile team relay from the foothills of Mount Rainier to Tacoma's Ruston Way waterfront, run by teams of 2, 3, 4, or 6 with a waterfront finish festival.
Triathlon, duathlon and running events at Lake Wilderness Park featuring lake swims, rolling bike routes and trails along the Cedar River.
A Bainbridge Island half marathon that begins as participants walk off the Seattle ferry and follows a mixed road and trail route around the island.
July 2027
Three sequential 5K trail races in Puyallup with 45 minutes per 5K and 30 minutes to transfer, limited to 100 entrants; chip timing, shirt, medal, and RaceJoy required.
Family friendly mud run in Seattle with obstacles, mud pits, a post race party, tiered registration from value to VIP, and a Buy One & Give One donation program.
August 2027
Timed 18, 12, 6 and 3 hour loop races plus a Kids Loopy 30 Minute at Lincoln Park in Seattle, featuring waterfront and forest sections and on course aid stations.
A 24 hour event in Bonney Lake with a 5K every hour; participants may run between one and 24 laps and receive a medal and shirt showing how many 5Ks they completed.
USATF certified half marathon on the Snoqualmie Valley Trail near North Bend, WA, on smooth hard packed dirt and gravel with aid stations, pacers and a virtual option.
September 2027
A late summer community running event at Magnuson Park in Seattle offering 5k, 10k, 15k, a Kids Dash and an Obstacle Dash.
Two days of obstacle-course racing in Monroe, WA with Sprint 5 km, Super 10 km, Beast 21 km, kids races and spectator access on forest trails.