Washington
Washington Trail Running Calendar 2026-2027
Explore the best trail runs in Washington for 2026-2027! Our updated list features 141 exciting trail runs across the region. Find your next trail run in Washington below and join the trail community at these great events!
October 2026
Teams of 4 to 8 run between eight breweries across 30 plus miles of trails and roads in Bellingham, with 3 to 5.5 mile legs and an after party.
A 5k in Ravenna Park where participants run or walk wooded trails while watching for Bigfoot sightings, with in person, virtual and free kids options.
Timed 3-hour and 6-hour lap events or a marathon on a 1.06 mile dirt loop at Osprey Park in Sultan, WA with river views and minimal elevation.
A Last Person Standing race on October 17, 2026 at Lord Hill Regional Park featuring repeated 0.8 mile loops, a 233 ft climb, shrinking lap times and medieval-themed prizes.
ROGUE//MOUNTAIN in Spokane, WA features timed 2 and 6 hour trail runs and rucks on a 6 mile out and back Quartz Mountain Lookout Trail with aid stations and lap tracking.
Approximately 10-mile GBRC trail race in Blanchard State Forest with over 2,000 feet of climbing, one aid station, shuttle parking, and overall and age-group awards.
Experience the beauty of the Olympic Peninsula at Salt Creek 24. Choose between 12 or 24 hour solo runs, relay teams, or a Last Runner Standing trail challenge overlooking the Strait of Juan de Fuca.
The 20th annual Carkeek 12 Hour at Carkeek Park features 12 and 6 hour loop races on a 1.93 mile course with costume prizes and proceeds benefiting local trails.
Trail race in Chamna Natural Preserve, Richland WA offering a half marathon, 10K and 6K on mostly dirt trails with awards and shirts.
A costumed community event at Lincoln Park featuring a trail 5K, kids dashes, and a virtual shirt option to support South Seattle College Cooperative Preschools. Registration includes a Monster Dash shirt and the 5K includes a timed bib.
An evening 5K glow run/walk through trails and around barns at Northern State Recreation Area, featuring spooky elements and trail hazards. Early registration and limited medals and goodie bags are available.
A community Halloween running event in Vancouver WA on October 24 featuring youth races, high school 5k races, and an open 5k with medals and fleece prizes.
Beginner-friendly 2.8 mile group trail run at King County's Cougar Mountain with Teva demo shoes, post-run refreshments, and a chance to win Trailpeak shoes.
Free evening relay in Black Diamond where teams hunt six hidden ghosts in Civic Park, with costume and team-name awards and a bonus ghost prize.
10K trail race in Port Gamble, WA on Oct 31, 2026, about 600 ft climbing; costume contest, chip timing, entries limited to 100.
Trail races at Cougar Mountain Regional Wildland Park near Seattle offering 5k, 7.6 mile, 19.5 mile and 50k courses through forested single track, rolling hills and marshes. Proceeds support King County Parks.
Trail races of 25K, 14K and 4K in Capitol Forest near Olympia with marked courses, costume prizes, and post run food and fire.
November 2026
Forest trails at Grand Ridge offer 5-mile, half, marathon and 50K options with significant climbing, cupless aid stations, and a separate kids course.
Point to point trail races along the Klickitat River Trail offering a half marathon and a medium technical 5k with shuttle service and required pre registration.
Trail races on the Willapa Hills Trail in Chehalis, WA, with distances from 5K to 100 miles, packed gravel surfaces, aid stations, and low entry fees.