Washington
Washington Trail Running Calendar 2026-2027
Explore the best trail runs in Washington for 2026-2027! Our updated list features 154 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
A 5K and 10K trail run at Lake Crescent in Olympic National Park on October 3, 2026, with shuttle service and limited trailhead parking.
A 50k trail run along Baker Lake offering lake views, old growth forest, remote single track, and limited water aid stations on a rugged course.
Set in Walla Walla on October 3, 2026, this event features a half marathon, 10K and a memorial Heroes 5K across asphalt paths, gravel roads and rolling hills, with finisher medals, early-registration shirts and post-race refreshments.
A last-one-standing backyard ultra where each completed loop adds $100 to a shared prize jar and the final payout is split 75% to the winner and 25% to the runner-up.
A 25K trail race at Snoqualmie Pass that runs through the Snoqualmie Tunnel to Annette Lake and back, with two aid stations and mandatory headlamps.
Two-day mountain running festival in North Bend, WA featuring a vertical kilometer, the Skyline 30k championship with 6,500+ feet gain, a 10k, expo and family activities.
A 25k trail run along Baker Lake in October with about 3400 feet of elevation change, two water aid stations, bus transport to the start, and finish services at Kulshan Campground.
Trail races in Minnehaha Park with 5K, 10K and a free Kids' 1K on 100% dirt trails and notable elevation gain.
A Tacoma backyard ultra on a 3.3 mile downtown loop repeated each hour for up to 15 hours, totaling 45.5 miles for those who complete all laps.
High-elevation trail races near Leavenworth with 50K and 50M routes through alpine ridgelines and golden larches; the Oct 10, 2026 race was canceled due to wildfire.
Six hour timed trail event on a 2.45 mile single track loop near Blewett Pass with a fall themed potluck aid station, raffle, awards, and a post race dinner.
Trail races on the Middle Fork and CCC trails in North Bend, WA, on October 10, 2026. Distances from 10k to 50k feature river valley scenery, aid stations, and some unbridged creek crossings.
Community 5K and 1K kids event at PLU Meadows with on site registration options and proceeds supporting local youth running needs.
A community event at Daybreak Star offering a chip-timed 5K trail run and a free 1.25 mile SpiritWalk to support culturally attuned care for Native people.
A fall cross country meet at Lower Woodland Park with a women's 6K, men's 8K and a community 2K, open to teams and individual entrants.
A 5K run and walk through Turner Pumpkin Junction's pumpkin patch, corn maze and fields in Moses Lake on October 10, 2026, supporting the Moses Lake Athletics Track & Field Club.
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.
Experience a flat loop course through Osprey Park in Sultan with options for a marathon or timed runs of three and six hours along the Sultan River.
A Last Person Standing hill loop in Lord Hill Regional Park with a 0.8 mile loop, shrinking lap times, medieval theme, custom banners and prizes for the final finisher.