Trail Running calendar near Vashon 2026-2027

Loop Out the Year is an endurance run at Fort Steilacoom Park on Dec 26, 2026 offering 3 hours, 6 hours and 8 hours on a 5 mile loop. Runners complete as many loops as they can while an aid station provides food, electrolytes and warm soup.

A 4-mile and 8-mile looped trail run at St. Edward State Park featuring single-track, lakeshore running, an on-course aid station, and alternate parking at Bastyr University. Part of the 2026-27 Winter Trail Series.

Trail runs of 5 mile and Half Marathon at Soaring Eagle Regional Park in Sammamish, WA. Courses use technical singletrack and a Pipeline Trail section with aid stations and rolling short hills.

Interlaken Icicle Dash features 5k and 10k trail loops through Seattle's wooded Interlaken Park as the final event of the 2026-27 Winter Trail Series, with on-course aid and street parking near 21st Ave E and E Interlaken Blvd.

Trail races in Deception Pass State Park featuring 50K and 25K courses over single track, coastal bluffs and forest, with aid stations, drop bags, marked trails and free official photos available for participants.

Celebrate Valentine's Day with a community 5k in Black Diamond featuring unique two person team categories and a cross country style scoring system.

A2 Physical Therapy's annual 5K at Titlow Park on March 28, 2026 raises funds for the Multiple Sclerosis Program and offers walking or running, live music, coffee, snacks and a raffle.