Trail Running calendar near Siler 2026-2027

A low-key Wednesday evening trail race series in Forest Park, Portland, with three seasonal five-race Series and hilly courses of about 4–7 miles. The Series supports the Forest Park Conservancy and includes standings and a post-series gath..

Trail races in Portland's Forest Park over Memorial Day weekend, featuring Portland's only 50K and a trail half marathon. Routes include the Wildwood Trail and other park trails with significant elevation gain.

A paved ultramarathon on the Foothills Trail in Puyallup, WA on May 23, 2026, offering 50-mile and 50k distances with multiple aid stations, a 15-hour cutoff, and participant benefits from local sponsors.

Timed 7 hour and 13 hour loop races on a scenic 1.54 mile mixed-surface course in Magnuson Park, Seattle, with chip lap counting, a well-stocked aid station, medallions and a boxed vegetarian post-race meal.

Pigtails Challenge by NW Endurance Events runs May 23 and May 24, 2026, with multiple long-distance options and listed entry fees. Registration closes May 22 and processing fees are shown alongside each entry fee.

A 25 mile race around Soaring Eagle Park in Sammamish with multiple distance options and a virtual 25 mile. Aid stations every 2.5 miles, commemorative T-shirts and finisher medals, plus food and street parking.

Trail runs at Ravenna Park in Seattle on May 26, 2026 with 4k, 8k and 12k options on a 4.1 km forest loop featuring moderate climbs, an aid station, post-race food, and awards as part of the Tuesday Night Trail to Grill series.

Explore the open pine forests of the Teanaway Valley with 2, 4, or 8 hour navigation challenges. Use detailed orienteering maps to find checkpoints in a beautiful landscape featuring wildflowers and rugged terrain.

A multi-distance trail run in the pine-filled Teanaway Community Forest near Cle Elum, Washington, with routes on logging roads and small trails, notable elevation gain, staffed aid stations, and camping nearby.

A low-key Wednesday evening trail race series in Forest Park, Portland, with three seasonal five-race Series and hilly courses of about 4–7 miles. The Series supports the Forest Park Conservancy and includes standings and a post-series gath..

Trail ultramarathon and trail runs on Vashon Island featuring 50K, 20 Miler and 10 Miler looped courses through Island Center Forest with staffed aid stations, live tracking and ferry access only.

A team relay of roughly 50 miles from the base of Mount Rainier at Fairfax to the Ruston Way waterfront in Tacoma on June 6, 2026. Teams of 2 to 6 share 12 legs, with finish-line food, a beer garden, and awards across categories.

A trail race on Tiger Mountain State Forest near Issaquah with 5k, 12.6k, and a 13.56 mile half marathon routes. Loop courses use forest roads and singletrack with aid stations offering water, electrolyte drink, and snacks.

A full-day community event at Walt Hundley Playfield on 06/06/2026 featuring obstacle-course waves, a 5K fun run, a 3K walk, and a 1K youth dash, with proceeds supporting Our Lady of Guadalupe Church and an on-site after-party.

A volunteer-run community running event from South Kent to Alki in Seattle offering marathon, relay, half marathon and 50K options on a mostly flat course with two short hills near the end.

A largely downhill marathon and half marathon through the Snoqualmie Tunnel near Snoqualmie Pass, WA, using an alternate 2026 route with about 1,000 feet net elevation drop and USATF certification.

A USATF certified marathon and half in Snoqualmie Pass on June 13, 2026, running through the Snoqualmie Tunnel with a sustained net downhill and Boston qualifying eligibility. The event is ranked nationally for fast qualifying courses.

Trail races of 5 km, 8.2 mile and 14.5 mile take place at Cougar Mountain Regional Wildland Park near Seattle. The series supports King County Parks funding and uses varied single track and groomed forest trails.

A half marathon and 4 mile trail event on June 13, 2026 in White Salmon, WA, starting at Rheingarten Park. The Lollipop course features hilly trail loops, three aid stations, and benefits the White Salmon Cross Country program.

Monthly trail races at Cougar Mountain near Seattle offer distances from 5K up to 26.2 miles, support King County Parks, and include USATF championship and youth race options.