Trail Running calendar near Chehalis 2026-2027

Trail races of 5k, 14.5 miles and 26.2 miles take place in King County's Cougar Mountain Regional Wildland Park near Seattle. The event includes aid stations on course, supports King County Parks, and participates in a youth trail series.

A low-key evening trail running series in Forest Park, organized as three Series of five races with courses around 4 to 7 miles. The Series includes standings, a post-Series awards gathering, and benefits the Forest Park Conservancy.

A 200 mile point to point trail ultramarathon through the Cascade Mountains around Mount St. Helens, held August 14 to 18, 2026, with 13 aid stations and six designated sleep stations to support continuous timed runs.

A 20 mile single track trail run on the south western side of Mount St Helens, featuring lava fields, stream crossings, old growth forest and a 9 hour cutoff on National Forest lands.

A timed loop endurance event at Lincoln Park in Seattle on August 15, 2026 offering 3, 6, 12 and 18 hour formats plus kids races, team competition, cupless aid stations, food options and awards by total mileage.

An evening running event at Chambers Bay in University Place, Washington offering 5k, 10k and half marathon distances on a paved loop with varied terrain, aid stations, race-day packet pick-up, and event swag.

A two-day team trail relay at Crystal Mountain Ski Resort on August 21 and 22, 2026, featuring three National Forest loops, a mid-race gondola ride, and alpine views of Mt. Rainier. Multiple team formats and pricing tiers are available.

Trail races at Mt. St. Helens Science & Learning Center on Aug 29, 2026 offering 50K, 20 Miler and Half Marathon courses with substantial elevation and multiple aid stations.

A low-key evening trail running series in Forest Park, organized as three Series of five races with courses around 4 to 7 miles. The Series includes standings, a post-Series awards gathering, and benefits the Forest Park Conservancy.

A multi-distance trail weekend in early September 2026 through the Dark Divide Roadless Area in the Washington Cascades, featuring a 100 Mile race with a 48 hour cutoff, a new point to point 100K, a 50K and a 14 Mile Fun Run.

Multi-distance ultrarunning festival at Kearin Family Farm in Bonney Lake, WA. Looped 3.1 mile course with one central aid station, free camping, and events from 6-hour competitions up to a 200-mile race.

The Long Watch is a 6 hour, 12 hour and 24 hour loop endurance event at Donald Farm in Woodland, Washington, held alongside the Warrior Expo, with a manned aid station and a one mile loop past competition and vendor areas.

An endurance running event in Gig Harbor, WA offering 24 hour, 12 hour day, 12 hour night, and 6 hour options on a 2 mile loop with varied terrain and about 320 feet of climb per lap. Aid station, drop bags, and nearby parking are available..

Fourth annual 5K at Illahee Preserve in Bremerton held during National Recovery Month. Proceeds support the Salish Recovery Coalition and participants receive event swag, a custom finisher medallion, coffee and donuts.

A low-key evening trail running series in Forest Park, organized as three Series of five races with courses around 4 to 7 miles. The Series includes standings, a post-Series awards gathering, and benefits the Forest Park Conservancy.

A timed stair-climb at T-Mobile Park with full and half routes, held September 16, 2026, that raises funds for the Cystic Fibrosis Foundation and includes age and fundraising requirements.

Cirque Series at Crystal Mountain is a 7.9 mile trail race with 2,614 feet of vertical gain on September 19, 2026. Sport, Expert and Pro divisions offer prizes and series points, and timing is by disposable bib chip.

A fantasy themed 5K walk and run at Magnuson Park with mixed trail surfaces, Villain Zones, and a Heroes Village; costumes encouraged and leashed dogs and strollers welcome.

The Three Course Challenge is a cross country meet at Camp Rilea north of Seaside, Oregon on September 26, 2026. It features multiple middle and high school courses, chip timing, team lodging, live drum corps performances, and awards.

A two day running festival on the Long Beach Peninsula offering races from kids dashes to a sand marathon. The weekend includes an expo, awards across many categories, and support for local charities.