Trail Running calendar near Chehalis 2026-2027

A forested loop at Seward Park offers 4.2 mile and 10k trail options as part of the Winter Trail Series, with an aid station near the start finish and a themed costume contest.

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.

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.

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 supports a Multiple Sclerosis Program with walk and run options, plus music, coffee, snacks and a raffle.