Washington
Washington Trail Running Calendar 2026-2027
Explore the best trail runs in Washington for 2026-2027! Our updated list features 149 exciting trail runs across the region. Find your next trail run in Washington below and join the trail community at these great events!
November 2026
A multi-distance fall running event at Soaring Eagle Regional Park in Sammamish with road and trail races, youth dash, race shirts, finisher medallions, and USATF-posted results.
A community 5K out-and-back in Arlington on Nov 26, 2026, on mixed trails, roads, and gravel, with awards, swag for early paid entries, and proceeds to a local food charity.
December 2026
Everesting hill repeat on Badger Mountain with a 0.35 mile climb and 292 ft gain per ascent, barcode lap counting, and finisher awards for multiple lap targets.
A candy themed trail event at Candy Mountain in Richland WA offering 1.25 mile and 3.5 mile routes, a ruck challenge, and a virtual option to support Mirror Ministries.
Run through the scenic forests of the Redmond Watershed Preserve in a festive 5 mile or half marathon trail race featuring smooth trails and rolling hills.
A six-race Winter Grand Prix of two mile road, track and cross country events in 2026-2027 with series prizes from New Balance and Super Jock n Jill.
A festive early-December event at Fairhaven Park with a 5K, 10K (two laps), a kids' run, costume awards, age-group prizes, and running shoe recycling.
Low cost, low support trail running event in Maple Valley offering Half Marathon, Marathon and 50K on December 12, 2026 with a manned aid station and marked course.
A holiday 10K trail race at Squaxin Park in Olympia with a Reeves Middle School start and finish, finish-line aid with hot cider, a finisher medal, and a tree planted per finisher.
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.
Santa's Holiday Hustle in Camas on December 19, 2026 features a 5k run/walk and a Dirty Santa 10k trail race with post race treats and a beanie giveaway.
A multiple lap trail event at Mt Walker trailhead in Quilcene, Washington, featuring a 4 miles round trip course and about 2,100 ft elevation gain per lap.
Holiday 3 mile run and walk at Wright Park on Dec 24, 2026 with two start sessions, chip timing, participant beanie and medal, plus a donation drive for Tacoma Rescue Mission.
Timed endurance run at Fort Steilacoom Park in Lakewood, WA offering 3, 6 and 8 hour options on a 4.52 mile loop with on-course aid and finisher awards.
January 2027
A 4 mile or 8 mile looped trail run at St. Edward State Park in Kenmore as part of the 2026/27 Winter Trail Series.
5th Annual Resolution Run in La Center offers 5K and 10K run/walk courses at La Center High School, with a post-race pancake breakfast and awards.
Experience a winter trail run at Bridle Trails State Park with distances ranging from 5 miles to a 50k relay on a scenic forested loop.
Trail races at Soaring Eagle Regional Park in Sammamish offering 5 mile and half marathon options on technical singletrack through forest and wetlands.
A 5K and 10K event in Puyallup, WA with chip timed bibs, free coffee and chocolate, post race snacks, and vendor samplings.
Winter cross country in Pasco on January 30, 2027 offering a 2.5 mile run/walk and a 5 mile race on woodchip and dirt trails, team entries welcome.