Washington
Washington Trail Running Calendar 2026-2027
Explore the best trail runs in Washington for 2026-2027! Our updated list features 143 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
Tunnel Light Marathon and Half on September 13, 2026 in Snoqualmie Pass features USATF certified marathon and a net 1,000 foot downhill course.
Explore the lush singletrack and mountain vistas of Mt. Spokane State Park. Choose from several trail distances starting at Selkirk Lodge for a true alpine adventure.
A timed stair-climb at T-Mobile Park where participants tackle either 900 or 1,800 stairs to raise funds for the Cystic Fibrosis Foundation. Climbers start in waves by self-identified pace and join an official after party.
A two-day Spartan obstacle race in Monroe, Washington featuring Sprint, Super, Beast, kids races, a 4 hour heat, and spectator options.
Cirque Series at Crystal Mountain is a 7.9 mile trail race with 2,614 feet of vertical gain on September 19, 2026. Sport, Expert and Pro divisions offer prizes and series points, and timing is by disposable bib chip.
A 70 mile trail relay for teams of two to six runners traversing the forests and scenic peaks of Moran State Park on Orcas Island.
Flat, runnable rail-trail ultramarathon in Easton, WA offering 25K to 100 Mile races, crew-friendly aid stations, and distance-based finisher awards.
A fantasy themed 5K walk and run at Magnuson Park with mixed trail surfaces, Villain Zones, and a Heroes Village; costumes encouraged and leashed dogs and strollers welcome.
Experience a self navigated adventure through Riverside State Park featuring 30 mile and 9 mile routes along the Spokane River and scenic ridge lines.
A 5K beach run and walk on the 28 plus mile Long Beach Peninsula in Washington, held September 19, 2026, raising funds for local middle and high school cross country runners.
Trail races from Wye Park in Cle Elum to Roslyn with 10K and 15K options, chip timing, finisher items, and a three-hour time limit.
Early season cross country meet with varsity divisions, a community 5K, and a free youth 1 Mile, featuring photo timing, awards, and on site food.
A community trail run and walk for queer women, trans and non-binary participants at Discovery Park with post-event refreshments and donation based ticketing.
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 in Deception Pass State Park with coastal views, a pedestrian bridge crossing and staffed aid stations.
A weekend running festival on Long Beach Peninsula featuring a sand marathon, half marathon, multiple 5Ks, kids dashes and a community expo.
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.