Trail Running calendar near West Seattle 2026-2027

A point-to-point Cascade trail race with 50K and 50M options through forest, alpine meadows, and ridgeline terrain, topping out at Thorp Mountain Lookout and finishing at Salmon La Sac SnoPark.

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.

A multi-day ultrarunning festival at a private farm near Bonney Lake, WA, using 5K loop laps with a central Race HQ and free adjacent camping. Events range from 6-hour and 24-hour timed formats to 50K up to a 200 Mile race.

Trail races on September 12 and 13, 2026 at Goldstream Provincial Park in Victoria BC, offering 28 km, 50 km, 50 mile and a Double. Courses use single and double track, include old growth forest sections, significant elevation and multiple..

Point to point trail race on the Olympic Adventure Trail finishing at Lake Crescent. Offers half marathon, marathon and 50K distances with mandatory shuttles, cupless aid stations, and a lakeside finish at Log Cabin Resort.

A point to point marathon and half marathon on the Palouse to Cascades Trail in North Bend, WA, featuring downhill profiles, a Snoqualmie Tunnel section, lake views, USATF certification and timed race services.

Beat The Blerch in Carnation, WA offers 5K, 10K, half and full marathon distances on a flat out and back gravel trail through mossy evergreen forest, with stocked aid stations including Nutella sandwiches and birthday cake.

Coal Miner in Roslyn, WA is a self supported trail ultramarathon with a 51.3 mile course and over 10,000 feet of climb. Entrants must navigate from GPX files, carry a satellite messenger, and validate completion with GPS data and summit sel..

A timed endurance event in Gig Harbor, WA on September 12, 2026 offering 24 hour, 12 hour day, 12 hour night and 6 hour options on a two mile loop with about 320 feet climb per lap.

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 fast, net downhill marathon and half marathon on a smooth packed gravel rail trail near Snoqualmie Tunnel. The marathon is USATF certified and a Boston qualifier; headlamps are required for the tunnel section.

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.

A Spartan obstacle race weekend near Monroe, Washington featuring Sprint, Super, Beast, kids races, a workshop, and a Hurricane Heat event across forested trails and narrow paths.

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 two day 70 mile trail relay at Moran State Park on Orcas Island, run over twelve legs by teams of two to six. The course moves through forests, lakeshores, wetlands and the 2,399 foot Mount Constitution summit.

Ultra Fest in Easton, WA offers distances from 25K to 100 mile across the Central Cascades, with day of registration and on site parking at the Easton Fire Station.

Trail ultraruns near Cle Elum WA through remote alpine terrain with large elevation gain. Options include 100 miles, 50 miles and 50 km; required safety gear, aid station cutoffs and a trail work or donation requirement apply.

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.

Trail runs at Deception Pass State Park offering 5 mile, half marathon and full marathon courses that visit Rosario, Lighthouse and Lottie Points and cross the Deception Pass Bridge. Aid stations are on course and the event is cupless.

A two-day trail running festival in North Bend, Washington featuring a steep Mt Si VK, a 30K Skyline race with major elevation gain, a 10K on Little Si, festival activities, and charitable support for Recovery Beyond.