Washington
Washington Trail Running Calendar 2026-2027
Explore the best trail runs in Washington for 2026-2027! Our updated list features 150 exciting trail runs across the region. Find your next trail run in Washington below and join the trail community at these great events!
January 2027
A 5k and 10k trail run through the forested Interlaken Park in Seattle on January 30, 2027, serving as the final race of the Winter Trail Series.
Experience a historic skiing tradition at Mount Spokane State Park. This 10K event features wave starts for all speeds and includes dedicated categories for adaptive skiers on the scenic Nordic trail system.
February 2027
A community cross country ski marathon, relay, and Para Nordic race from Mazama to Sun Mountain Lodge with classic and freestyle divisions.
A family friendly 5K through Whatcom Falls Park in Bellingham with chip timing, on-course markings, finish refreshments, and a shoe recycling drop off.
Woolley Trail Runs offers three out and back races along the Cascade Trail near Sedro Woolley WA. Courses run on railroad grade gravel with limited aid stations and several road crossings where runners must watch for traffic.
Trail race at Lake Sylvia State Park in Montesano offering 25K and 50K loops on forest trails, with aid stations, a cupless policy, camping, and on-site food.
Multiple off-road distances at Lord Hill Regional Park featuring steep climbs, creek crossings, muddy trails, and handmade finisher awards.
Trail runs of 5k, 10k, half and full marathon at Fort Ebey State Park on Whidbey Island featuring forested kettle terrain and bluff-top waterfront views.
A four loop 100 miles trail race on Orcas Island with about 26,000 ft of gain, 15 aid stations, pacers allowed after mile 25, and a 36 hour cutoff.
Scenic marathon and half marathon on Whidbey Island featuring coastal roads and trails with proceeds to a registered charity.
March 2027
A 25k point to point trail race in Bellingham, WA, through the Chuckanut Mountains with runnable singletrack, ridgelines, lake views, and chip timing.
Trail runs at Lake Padden Park offering a technical 5k and 10k on narrow, muddy singletrack with lakeside finishes and on-course water stations.
Timed loop trail runs in Olympia on March 13, 2027 offering 12 hour, 6 hour and 3 hour options through the Little Backyard Adventure forest.
A mountain ultra trail race in Fairhaven WA featuring a 50k lollipop course with technical ridge running and a kids 1/2 mile race.
Trail races at Bridle Trails State Park in Kirkland, WA offering 5k, 10k, Half Marathon and Marathon on forest trails with multiple aid stations.
A beachside trail run at Dash Point State Park featuring 10K, half marathon and a free kids race on non technical singletrack through forest and shoreline.
A backyard ultra on Vashon Island with hourly 4.167 mile laps, six, twelve, and twenty four hour options and relay teams up to eight members.
Multi-day trail event in Richland, WA offering distances from 15K to 100 miles, ruck divisions, and a 50M/55K double with a unique finisher prize.
Timed endurance event at Green Lake Park where runners complete as many 3.2 mile laps as possible in 12 hour or 5 hour formats.
Scenic spring races in Camas WA with timed courses from 1 mile to half marathon, chip timing, mimosas for 21 plus, medals, and a petting zoo.