Trail Running calendar near Sumner 2026-2027

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.

Test your endurance at the Esmeralda Trailhead with a weighted rucking event. Carry a 20 lb pack through the mountains near Cle Elum to reach the summit and earn your dog tags.

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.

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..

A point to point *200 mile* trail run around Mount St. Helens from August 14-18, 2026, featuring volcanic terrain, ridgelines, old growth forests, 13 aid stations and six sleep stations; the event is timed from start to finish.

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.

Experience an evening run at Chambers Bay with stunning views of Puget Sound. Choose between 5k, 10k, or half marathon distances on a scenic paved loop featuring rolling hills and sunset vistas.

Point to point trail race near Cle Elum, Washington offering a 50K and 50 mile route along Kachess Ridge and Thorp Mountain with remote sections and aid stations up to 12 miles apart.

Trail races at Mt. St. Helens Science & Learning Center feature 50K, 20 mile and half marathon loop courses with significant elevation gain and extensive singletrack. The event includes campsite facilities and a Friday community night with..

Trail races in the Central Washington Cascades in September 2026 featuring a 100 mile, a new 100 kilometer point to point, a 50 kilometer, and a 14 mile fun run across remote alpine ridges and old growth forest.

A multi-day ultrarunning festival at Kearin Family Farm near Bonney Lake, WA, featuring looped 3.1 mile laps and a central Race HQ. Events range from a 200 mile race to 6 hour, 12 hour, and 24 hour formats with on-site camping.