Trail Running calendar near Sumner 2026-2027

Trail races on the east flank of Tiger Mountain near Issaquah, WA, offering 5k, 12.6k and a 13.56-mile Half Marathon on well-marked loop courses with aid stations, parking at a DNR trailhead, and youth discounts.

Loop the 'Lupe! offers a unique mix of obstacle course challenges and family friendly runs in Seattle. Choose from competitive elite waves, a simpler family course, or flat walking events, all supporting local community outreach. Everyone g..

Experience a friendly, low cost marathon or relay along the Green River and Interurban trails ending at Alki Beach. This community event offers distances from a half marathon to a 50K with views of the Puget Sound.

Lumberjack 100 in Port Gamble, WA is a looped trail event with 50 mile, 100K, and 100 mile options, marked single track and dirt road loops, multiple aid stations, and on site camping.

A downhill marathon and half marathon near Snoqualmie Pass on June 7, 2026 with an alternate fully permitted course, about 1,000 feet of net elevation drop, USATF certification, and the marathon listed as a Boston qualifier.

A multi-day, beginner-friendly trail festival at St. Edwards State Park focused on inclusion and community, with looped race distances, family activities, on-site refreshments, and a reusable cup program to reduce waste.

A USATF certified net downhill marathon and half marathon through the Snoqualmie Tunnel corridor in Snoqualmie Pass, WA on June 13, 2026. Ranked #22 nationally for Boston qualification, the event includes professional timing and live tracki..

Gulch Countdown is a Last Person Standing trail race on a 2.18 mile loop in Japanese Gulch, Mukilteo, WA. Cutoff times shrink each loop until one runner remains; the event includes a full aid station, fastest-lap awards, and trail funding.

Experience diverse trails and lush forests at Cougar Mountain Regional Wildland Park. Choose from three distances ranging from a 5k to 14.5 miles just minutes from Seattle.

Enjoy a free seven race summer series featuring a 5k trail course in Black Diamond. Run or walk bi weekly races to build community and compete for season end prizes in a supportive environment.

Experience an adventurous three day stage relay through North Central Washington for teams of eight. Navigate 225 miles of rugged trails and forest roads using old school maps in this unique low tech mountain running event.

Hotfoot 5K Trail Run in Port Orchard offers a mostly flat 5K and a 1 mile loop through South Kitsap Regional Park, with proceeds supporting a community scholarship and the public Fourth of July fireworks.

Experience the forest trails of Carkeek Park in Seattle with 5k and 10k options featuring rolling hills and post-run festivities. Enjoy a community atmosphere with refreshments and awards in a beautiful wooded setting.

An ultramarathon weekend in Hyak, Washington offering new 200K plus 100 mile, 100K and 50 mile races on crushed limestone with a 2.3 mile tunnel and reported finish rate around 85 percent.

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.