Trail Running Calendar Washington 2026-2027

A multi‑mile obstacle course at Riverside High School in Chattaroy with 30-plus obstacles, competitive and open divisions, age 14 and up, finisher medals and proceeds benefiting Riverside High School Athletics.

A last-person-standing trail race on a 2.18-mile forest loop in Japanese Gulch, where cutoff times shrink each lap until one runner remains. The format mixes social-paced laps with progressive time limits and is Trail Sisters Approved.

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.

Trail event in White Salmon, WA on June 13, 2026 offering a half marathon and a 4 mile course on Lollipop loops with road connectors and Columbia River views. The event raises funds for 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.

A seven race summer 5k series in Civic Park, Black Diamond with free single registration, hand timed open course, post race refreshments, and season prizes for participants who run at least four events.

A women-focused trail weekend in Trout Lake, WA offering 50K, marathon, relay, and half-marathon distances through forests and mountain views. The event includes marked trails, supported aid stations, communal meals, and post-run yoga.

A three-day stage relay in North Central Washington for teams of eight, covering roughly 75 miles per day over singletrack, logging roads, and pavement. Navigation uses printed maps and minimal markings, with cumulative team times recorded.

A trail running festival at Jasper Mountain Reserve offering a 4-person 52.4-mile relay, a 26.2-mile marathon, a 13.1-mile half, and a 4.4-mile family run on single-track loops, with on-site camping and limited on-course aid.

Hotfoot Trail Run, the 24th HotFoot 5K at South Kitsap Regional Park on June 20, 2026, features a mostly flat 5K loop and a 1 mile perimeter trail; preregistration fees, T-shirt sales, and community fundraising are part of the event.

Loop trail event at North Bonneville Ball Fields offering 10k, 50k, 100k and 100 mile distances on a scenic 10k loop along the Columbia River. Dirt and gravel trails, one aid station every 6.2 miles, 30 hour completion window.

A lap-based endurance event in Spokane offering distances from a kiddo sprint to a 101 mile race. The course uses 1.56 mile laps with a semi-stocked main aid station and crew tent space.

Trail run at Carkeek Park offering 5K and 10K courses on forested trails with varied surfaces and climbs. Aid station at the start/finish and post-race food, awards, and a raffle.

A point-to-point trail race along Grand Ridge Trail from Duthie Hill Park to Central Park in Issaquah, covering just over 7 miles with about 1,000 feet of climb. Self-supported event with finish-line refreshments and category prizes.

A five mile trail race through Soaring Eagle Park in Sammamish with chip timing, on course hydration and fuel, and a race t shirt plus a finisher medallion at the finish.

A multi-distance trail ultra on the Palouse to Cascades Trail near Hyak, Washington. Courses of 200K, 100 miles and 100K run on crushed limestone and pass through a 2.3 mile tunnel with about 1,916 feet of gain.

A weekend alpine trail running event in North Cascades National Park with guided support, campsite logistics and multiple route distances including 12 mile, 25 km, 26 mile and 40 mile options.

Third annual trail 5K in the Blue Mountains near Pomeroy, WA, run on the North South Trail between Boundary Trailhead and Rose Springs SnoPark. Shuttle service is included with registration and the race culminates the SoleKids Pomeroy sprin..

A self supported 24 hour trail event at Camp Sheppard near Mount Rainier with individual, team and optional 100 mile formats. Six marked routes use a points system and optional side quests add variety and extra scoring.

A self-supported mountain loop near Easton, WA covering 50K (and a 25K drop-down). Runners must use a provided GPX track, carry their own supplies, and verify completion with GPS and summit photos.