Trail Running calendar near West Seattle 2026-2027

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.

Traverse the scenic Kelly Ridge on single track trails between Olympic National Park and the Strait of Juan de Fuca. Choose from three distances finishing at the clear waters of Lake Crescent.

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.

A self supported trail event in Roslyn WA featuring a 51.3 mile ridge and summit route with minimal aid and required GPS navigation.

A multi-distance timed event in Gig Harbor with 24-hour, 12-hour day, 12-hour night, and 6-hour options on a 2-mile loop featuring varied terrain and about 320 feet of climb per lap.

A community 5K fun run, walk and hike through Illahee Preserve in Bremerton held in September for National Recovery Month. Proceeds support the Salish Recovery Coalition and participants receive event swag and a finisher medallion.

A fall trail run at Bob's Corn and Pumpkin Farm featuring a 5k one-lap maze option and a 7k two-lap maze option on farm roads and paths.

The Tunnel Light Marathon & Half Marathon in North Bend, WA on September 13, 2026 uses a USATF certified, packed gravel course with about 1,000 feet net downhill; the marathon is a Boston qualifier and aid stations are provided.

A timed stair-climb at T-Mobile Park where participants tackle either 900 or 1,800 stairs to raise funds for the Cystic Fibrosis Foundation. Climbers start in waves by self-identified pace and join an official after party.

A multi-day Spartan obstacle race weekend in Monroe WA featuring wooded Pacific Northwest trails and a program of Sprint, Super, Beast, kids races, workshops and spectator access.

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, is a flat, fast ultramarathon weekend on September 19 to 20, 2026. Multiple distances from 25K to 100 Mile are offered and day-of packet pick-up is available.

Remote mountain ultraruns near Cle Elum WA offering 100 mile, 50 mile and 50K routes on rocky trails with large elevation gain. Mandatory kit, spaced aid stations, and a trail work or donation requirement apply for 100 mile entrants.

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.

Experience the historic landscapes and vibrant forests of Cle Elum and Roslyn. Choose between a 10K or 15K trail run through the scenic coal mining heritage of the Pacific Northwest.

Trail races of 5 miles, half and full marathon wind through Deception Pass State Park with ocean views, loops and a pedestrian crossing of the Deception Pass Bridge. The event starts and finishes at Bowman Bay and is cupless.

A two-day trail festival in North Bend, WA featuring a 30K mountain race, a steep vertical kilometer, a 10K and a double option with extensive climbing, festival activities, sponsor demos, and community-focused awards.

A last-person-standing backyard ultra on October 3rd, 2026 where a $100 bill is added to the prize jar each lap; the winner and runner-up split the accumulated pot 75/25 and 24 laps earns a 100-mile buckle.