Trail Running calendar near West Seattle 2026-2027

We have found 84 Trailruns within 80 miles of West Seattle. See below where and when you can find the races.

Tunnel Vision Marathon and Half on August 9, 2026 in North Bend WA follows a USATF certified, mostly downhill route with about 1,000 feet net drop and a passage through the Snoqualmie Tunnel. The event includes chip timing, aid stations, an..

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.

A multi-distance trail race festival in the Olympic National Forest near Quilcene, WA offering 100K, 50K, 25K, 10K and ruck divisions with significant elevation, mostly single-track courses, staffed aid stations and on-site camping.

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 community organized **5K** around Lake Padden in Bellingham on August 16, 2026, hosted by nonprofit Happy Tails Happy Homes. The mostly wooded course includes one brief steep section and three rolling hills; advance and limited race day r..

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.

A point to point trail race in the Cascades with 50K and 50M options along Kachess Ridge, a high point at Thorp Mountain Lookout, and a finish at Salmon La Sac SnoPark with camping and post-race food.

September 2026

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.

Trail races at Goldstream Provincial Park on September 12 and 13, 2026. Options include 28 km, 50 km, 50 mile and a double with substantial elevation and multiple aid stations.

Point to point trail race on the Olympic Adventure Trail near Port Angeles with half marathon, marathon and 50K courses finishing at Lake Crescent. Mandatory shuttles, cupless aid stations, limited fields and on course public trail use.

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 mountain trail event featuring a 51.3 mile route with over 10,000 ft of climb; the unmarked course requires GPX navigation, a satellite messenger, and a prior 100k trail result for entry.

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 USATF certified marathon and half marathon near North Bend WA with about 1,000 feet of net downhill and a run through the Snoqualmie Tunnel. Aid stations are every 2 to 3 miles and headlamps are required for the tunnel.

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 Race weekend at Meadow Wood Equestrian Center near Monroe, WA, featuring wooded trails, narrow paths and Spartan obstacles. Events include Sprint, Super, Beast and a Kids Race, plus an Obstacle Workshop and a Hurricane Heat event.

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.

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