Trail Running Calendar Washington 2025-2026

The SpiritWalk & Warrior Run will take place in Seattle on Saturday 18 October 2025. You can run 5 kilometers.

River Ridge Ultra invites trail runners to tackle Riverside State Park with 30 mile, 9 mile run, or 9 mile ruck options. Expect dirt and road trails, stocked aid stations, and a mission to test body and mind amid stunning Pacific Northwest..

Klickitat Trail Run : October 18, 2025 The Klickitat Trail Run takes place in Klickitat, WA, based at the Klickitat Youth Center, 92 Main Street. The event is a nonprofit fundraiser supporting the Klickitat community center and local K-12 p..

Event overview Run With The Kokanee is scheduled for Saturday, October 18, 2025, at Lake Sammamish State Park in Issaquah, WA. The event offers the following distances: 5k 10k (two laps of the 5k loop) Entry fees vary by registration peri..

The Moses Lake Athletics Club Pumpkin Run is a 5K Run/Walk held in Moses Lake, Washington. The inaugural event takes place on Saturday, October 18, 2025, at 11865 Rd 8 NE (zip 98837). Participants will run or walk an all-terrain course that..

Join the Bateman Island Last Chance 4K in Richland on October 18 for a scenic run or walk along the island causeway. This casual, manually timed 4K on dirt and rocky trail is a final chance before pedestrian access may be removed.

Run Larch Madness at Loup Loup Ski Bowl near Twisp, WA on October 18, 2025, with distances from 5K to a rugged 50K. Scenic singletrack and off trail terrain, hearty aid stations, and proceeds support the Loup Loup Ski Education Foundation.

Wild Moose Chase is a Spokane, Washington running event offering 5K, 10K, 25K, Kids Fun Run, and a Wild Moose Chase Virtual Run. Runners traverse a scenic Riverside State Park course, starting and finishing near the Seven Mile Trailhead. Di..

Run for trails at Carkeek 12 hour, a scenic loop fundraiser at Carkeek Park in Seattle on October 25 with a virtual option in October. Limited to 50 runners, costume friendly with pet prizes and proceeds fund Endless Trails.

Scarin' Up Some Fun 5k Glow Run/Walk is held in Sedro-Woolley, Washington at the Northern State Recreation Area. The event features a 5-kilometer trail route winding through trails, barns and surrounding buildings. It creates a spooky, glow..

Event overview The Cougar Mountain Trail Run Series (October) is scheduled for October 25, 2025, at Sky Country Trailhead in Bellevue, Washington, within King County’s Cougar Mountain Regional Wildland Park. The series is organized by Seatt..

Event details The Chamna Chase is scheduled for Saturday, October 25, 2025, at Chamna Natural Preserve in Richland, WA, near 1200 Carrier Road. Registration closes on October 21, 2025. Distances: 1/2 Marathon 10K 6K Course and event servi..

Dress up and run or walk the West Seattle Monster Dash, a family friendly costumed 5K and kids dash through scenic Lincoln Park to benefit South Seattle College Cooperative Preschools. Registration includes a new design shirt, kids zone and..

ScaryAss 25K/14K/4K is a low-key trail race in Olympia, Washington, starting and finishing at Fall Creek Day Use Area in Capitol Forest. Organizers offer three distances: a grueling 25K to Capitol Peak and back, a scenic 14K loop, and a fam..

Hyak Halloween 25K : overview The Hyak Halloween 25K is a trail run on October 25, 2025 at Snoqualmie Pass, WA, held on Snoqualmie Tribe Ancestral Lands. The event distance is 25K with 1,800 feet of elevation gain and the same elevation los..

Salt Creek 24 invites runners to circle a scenic coastal loop all day and all night or tackle repeated summit laps in the Last Runner Standing format at Salt Creek Recreation Area. Enjoy camping, a pavilion and stocked aid stations.

Carkeek Cooler Trail Run The event takes place on Saturday, November 1, 2025, at Carkeek Park in Seattle, Washington. Distances offered: 5k 10k The run is part of the 2025-26 Winter Trail Series. Course and aid The course starts and finis..

Pomeroy SoleKids Fall Frenzy 5k is held in Pomeroy, Washington. The 5K starts and finishes at the Pomeroy Community Garden (intersection of 3rd Street and Pataha Street). The race features a flat, fast loop that winds through town amid fall..

The Willapa Trail Festival is a multi-distance trail running event held in Chehalis, Washington, with races from 5K to 100 miles. Runners start and finish at Owl and Olive Cafe, using the flat, fast Willapa Hills State Park Trail along the..

Tackle scenic, technical singletrack in Issaquah at the Grand Ridge Trail Run, with distances from 5 Mile to 50K and big climbs. Finishers get handmade solar powered swag and there is a free 1.1 mile kids race.