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!
September 2026
A community trail run and walk at Discovery Park for queer women, trans, and non-binary people with donation-based tickets and a required waiver.
A fall weekend of trail running and camping in the Sawtooth Backcountry, staged from Foggy Dew Campground with guided routes, glamp style camp amenities, shuttles, and three distance options.
Trail races of 5 mile, half and full marathon distance through Deception Pass State Park with ocean views, multiple shoreline loops, and a crossing of the Deception Pass Bridge.
Two-day running festival in Long Beach Peninsula WA with beach Sand Marathon, half marathon, 10K, 5K, Sunset 5K, kids races, expo and awards.
A community celebration at Osprey Park with a scenic 5K trail run and a 1 mile Fin Walk along the Sultan River, highlighting Skykomish River Valley heritage.
October 2026
A marathon and half marathon through scenic Leavenworth, Washington, featuring riverfront trails, Icicle Canyon, an Enchantment Park finish, USATF Boston Qualifier certification, and on-course aid and medical support.
A last person standing trail race on Hamilton Island in the Columbia River Gorge where runners repeat a 4.13 mile loop each hour and must finish each loop in under 60 minutes to continue until one runner remains.
Two days of mountain running in North Bend, WA, featuring a vertical kilometer, a 30k championship with prize money, a 10k, a double option, and a full-day adventure expo.
A community Half Marathon and 5K at Lake Wilderness Park with chip timing, medals, gravel trails, and proceeds benefiting The More We Love.
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.