Washington
Washington Trail Running Calendar 2026-2027
Explore the best trail runs in Washington for 2026-2027! Our updated list features 146 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
Experience the 17th annual Spooky 10K Trail Race in historic Port Gamble featuring a costume contest and a scenic route through single track trails and dirt roads.
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 on October 31, 2026 at Fall Creek Day Use Area in Capitol Forest with 4K, about 14 to 15 km and 25K options, costume prizes and postrace treats.
November 2026
Trail races at Squak Mountain in Issaquah offering 7, 14 and 21 mile courses with aid stations, a long-sleeve race shirt and a finisher medal.
Forest trails at Grand Ridge offer 5-mile, half, marathon and 50K options with significant climbing, cupless aid stations, and a separate kids course.
Experience the scenic canyon walls and autumn colors of the Klickitat River on this point to point trail run offering half marathon and 5K distances.
Experience one of the fastest and flattest trail races in the Pacific Northwest along the scenic Willapa Hills State Park Trail with distances from a 5K to a 100 miler.
Trail running at Carkeek Park in Seattle with 5k and 10k forest courses featuring varied trail widths and rolling to steep sections. The 10k is two laps of the 5k and includes substantial climb.
Trail races at Deception Pass State Park offering 50K, 26.2M, 25K and a kids 1K on coastal single track with bridge crossings and technical footing.
Timed loop event at Waughop Lake Loop in Lakewood WA where rounds shorten each lap and athletes compete in run, ruck, carry, hybrid, and walk divisions.
Experience the autumn beauty of Riverside State Park during this trail event in Nine Mile Falls. Choose from multiple distances including a 25K and a Kids Fun Run while supporting physical therapy students.
A six hour loop race at Nolte State Park on a 1.4 mile crushed gravel and packed dirt course, fee waived with optional donations supporting the Washington Trail Association.
A 5K run and walk in Tacoma honoring veterans and supporting Project Recover, with chip timing, a finisher medal, and optional race shirts.
Trail races at Ravenna Park on November 21, 2026 with 4k, 8k and 12k options on a 4.1 km forest loop featuring moderate climbs and an aid station offering water and snacks.
A 5 K at the Garfield County Fairgrounds in Pomeroy combining asphalt and dirt on a flat, fast loop through town, linked with the SoleKids youth running program.
Community 5K and 1 mile kids run on the Larry Scott Trail in Port Townsend supporting Jumping Mouse Children's Center and children's mental health.
Experience a 7 mile trail race up Dog Mountain featuring 3000 feet of climbing and panoramic views of the Columbia River Gorge and surrounding peaks.
A marathon and half marathon on the Kirkland Corridor Course on November 26, 2026 using a short out and back layout with on-site parking and aid at the start.
Trail races at Soaring Eagle Regional Park in Sammamish WA with 2k kids, 5k, 10k, 5 mile and 10 mile options; shirts and finisher medallions included.
Candy Land Run in Richland, WA offers candy themed trail routes including a kid friendly 1.25 mile, a chip timed 3.5 mile, a ruck challenge, and a virtual option.