Trail Running calendar near Kent 2026-2027

A themed 5K on September 19, 2026 at Magnuson Park in Seattle that invites participants to walk or run in costume. The trail route includes mild inclines and mixed surfaces and welcomes leashed dogs and suitable strollers.

North Bend Trail Fest, October 3 to 4, 2026 in North Bend, WA, showcases the Skyline 30k Vert Running Series Championship with 6,300 feet of climbing, the Mt Si Vertical Kilometer, and the Little Si 10k. Try the two day North Bend Double fo..

Mad Meadows is a scenic trail race near Leavenworth on October 10, 2026 offering 50K and 50M routes with big elevation gain across alpine ridgelines, meadows and river valleys. Expect technical pumice and talus sections, Glacier Peak views,..

Trail races at Grand Ridge Park in Issaquah, WA offering 5 Mile, half marathon, full marathon and 50K on two loop courses through forested Cascade foothills. Aid stations are stocked and the event is a cupless race.

A low cost, low key set of long-distance races in Maple Valley, WA on Dec 12, 2026, with 50K, marathon, and half marathon options and limited on-course support in a grassroots atmosphere.