Trail Running calendar near Bainbridge Island 2026-2027

SISU 24 PNW at Camp Sheppard near Mount Rainier mixes self-supported trail running with 24 hour solo and team formats plus an optional 100 Mile route. Six marked trails, a points system with side quests, and weekend camping are included.

A trail race near Issaquah, WA offering 50K, half marathon, 5 mile and kids races on Tiger Mountain trails, with steep climbs, aid stations, and shared-use trails.

The Needles 50k is a self-supported, unmarked mountain ultramarathon loop near Easton, WA, with 10,000 feet of climbing. Runners must navigate using a provided GPX file and carry all their own supplies, treating water from creeks. A 50-mile..

Test your endurance at Crystal Mountain Resort by tackling mountain trails with a 20 pound pack. Choose from three distances ranging from 6.5 to 18.5 miles in the scenic Mount Rainier National Park region.

A day of road trail racing on the Sammamish River Trail offering a half marathon, marathon and 50K out and back from Bothell Landing Park. The route passes Wilmot Gateway Park and turns at Dr Call's Bench.

Run through an old growth forest on the Lake Washington peninsula at Seward Park. This Tuesday evening event features technical trail loops, a post race grill, and distances of 4.2 miles and 10 km.

Experience the lush forests and rolling hills of Cougar Mountain Regional Wildland Park at this trail event near Seattle. Choose between 5k, 10.8 mile, and 19.5 mile distances on varied terrain ranging from technical to groomed trails.

Mud Mountain Trail Fest on July 11, 2026 in Enumclaw WA offers a 4 Miler and a 10K on forested trails near Mud Mountain Dam. Participants receive chip timing, a commemorative bib and a finisher medal.

A 5K trail run and walk on Tiger Mountain with an out and back route over unpaved roads and a short cross country section. The event is clothing optional and is sponsored by Tiger Mountain Family Nudist Park.

Trail races at Crystal Mountain near Mount Rainier on July 17 and 18, 2026, include a 5K hill climb, a 10K downhill and a half marathon. Registration includes an all day gondola pass and the weekend offers an expo, camping and race photos.

A 100 mile trail ultramarathon near Easton, WA featuring about 23,000 feet of climbing, roughly 32 miles on the Pacific Crest Trail and a passage through the 2.3 mile Snoqualmie Tunnel. Entry was by lottery and participants must meet trail..

Experience the lush forests and historic grounds of St. Edward State Park at this summer trail run. Choose between a 4 or 8 mile loop followed by a social grill out with hot dogs and watermelon.

Dirt Circus Seattle is a one-day community running festival on July 22, 2026, featuring a group run with short and longer routes, an expo with vendors, food, and a raffle. Check-in is at Seven Hills Running and the event is cupless.

A trail ultramarathon near Mt Rainier offering 50M, 50K and 25K options on mostly single track with large climbs, aid stations, GPX maps and primitive camping at Ranger Creek Campground.

A two-day trail running event in Hoodsport, WA featuring a **22 km** skyrace to Mt. Ellinor and an **8 km** forest loop, part of international skyrunning and qualification series.

Challenge yourself on the historic stairs of Tacoma at the Unleashed at Stadium Bowl. Choose from one or two laps totaling up to 3256 steps to support local animal rescue efforts.

Trail races from Fairhaven Park into Larrabee State Park featuring forest singletrack, lake views, ridge running and technical terrain across 50K, 25K, 12K and a kids race.

Experience the lush forests and single track trails of Bellevue in this eco friendly trail series. Choose from three distances ranging from a 5K to a full marathon while supporting King County Parks.

A mostly downhill rail-trail marathon and half marathon through the Snoqualmie Tunnel and mountain scenery. Both races will be USATF certified and the marathon will be a Boston qualifier; packed gravel surface and shuttle service are provid..

Multiple distances in the Olympic National Forest near Quilcene on August 15 and 16, 2026. Courses feature technical single track, substantial climbing and staffed aid stations across 10K to 100K options.