Washington
Washington Trail Running Calendar 2026-2027
Explore the best trail runs in Washington for 2026-2027! Our updated list features 149 exciting trail runs across the region. Find your next trail run in Washington below and join the trail community at these great events!
May 2027
Trail runs of 4k, 8k, and 12k at Ravenna Park use a 4.1 km forest loop with moderate climbs; aid station, post-race food, and awards are provided.
A trail running festival in Leavenworth, WA offering 50k, 25k, 5k and kids races with festival activities, aid stations, and awards.
Timed loop races in Magnuson Park with 13 hour and 7 hour solo events on a 1.54 mile scenic loop, chip lap counting, a stocked aid station, t shirt and vegetarian meal.
A Spokane endurance event where runners complete a four mile loop each hour until one remains, with a semi stocked aid station and self support encouraged.
June 2027
Trail race on Vashon Island with 50K, 20 mile and 10 mile loop options through Gateway Trail, aid stations, limited to 200 participants.
Timed three, six and twelve hour loop races on a flat 1.70 mile paved course around Lake Tye with aid stations, chip timing and awards.
A 50 mile team relay from the foothills of Mount Rainier to Tacoma's Ruston Way waterfront, run by teams of 2, 3, 4, or 6 with a waterfront finish festival.
Green River Marathon on June 5, 2027 runs from South Kent to Alki with marathon, half, relay and 50K on a mostly flat course with waterfront views.
Two days of single-loop trail races at Echo Valley Ski Area near Lake Chelan with 10K, half marathon, Saturday 50K and a 1 mile kids race.
Triathlon, duathlon and running events at Lake Wilderness Park featuring lake swims, rolling bike routes and trails along the Cedar River.
A 12-hour backyard ultramarathon of hourly 4.167 mile loops totaling 50 miles, with chip timing, hourly eliminations, and a $500 prize for lowest cumulative time.
A Bainbridge Island half marathon that begins as participants walk off the Seattle ferry and follows a mixed road and trail route around the island.
A chip timed 5K at Echolands Winery in Walla Walla with a tee shirt, plastic wine cup, finisher medal that doubles as a wine stopper, and online results by J3 Timing.
A trail running weekend at Frater Lake, WA offering ultramarathon distances, a ruck relay, shorter trail races, and a beer mile with on-course aid stations.
Trail festival at St Edwards State Park offering looped races from 1.9 to 5.7 miles, focused on welcoming first time trail runners and inclusive community.
Trail races at Cougar Mountain Regional Wildland Park near Seattle with 5 km, 8.2 miles, and 14.5 miles through forest, single-track, hills, and marsh.
A three day team relay across North Central Washington combining map navigation, mixed terrain trails and roads, and cumulative team timing for teams of eight.
An all women trail running weekend at the base of Mt. Adams in Trout Lake, WA, with 50k, marathon, half marathon and relay options plus camping and recovery activities.
A trail running festival at Jasper Mountain Reserve near Dayton WA with a 4 person relay, half marathon, full marathon, and a family run on single track loops. Race registration includes on site camping and parking.
A multi-event endurance festival in Spokane on June 19, 2027 featuring a 101.4 mile race, timed ultramarathons, a kid sprint, aid station support and crew access.