Trail Running Calendar Washington 2026-2027

We have found 115 Trailruns in Washington. Check below where and when you can find the races.

Run rolling trails through forested kettle terrain with bluff top views of the Strait of Juan de Fuca at Fort Ebey State Park on Whidbey Island. Options from 5 km to marathon with a finisher medal included.

Lake Sylvia State Park hosts a trail race offering 25K and 50K loop courses over single and double track, gravel, and short paved sections. Winter trails can be rough and muddy; aid stations are on course and the 50K repeats the loop.

The Woolley Trail Runs offer a 50k, marathon, and half marathon on an out-and-back gravel path in Sedro Woolley. The event features limited aid stations and emphasizes self-support, with an early start option for slower runners. It is not a..

Experience the new trails at Northern State on this free, untimed 10K. The scenic route crosses handcrafted bridges over Hill Creek and winds through towering forests. Enjoy a community-focused run with post-event refreshments.

Celebrate Valentine's Day with this community 5k in Black Diamond. Run solo or with a partner for a chance at unique team-based prizes. The event is free, capped at 100 runners, and features post-race snacks.

Trail races at Lord Hill Regional Park in Snohomish on February 21, 2026 include 5K, 10M, 20M, 50K, brunch runs and a kids race on marked, rocky and muddy single-track trails with aid stations and shuttle-supported parking.

The Rock Solid Marathon and Half Marathon start and finish at the historic Captain Whidbey Inn on Whidbey Island. The course showcases coastal roads, scenic trails, and for the marathon, a stretch of natural beach. All profits support The R..

March 2026

Event Overview The Lost Lake 25K is a trail running event in the Chuckanut Mountains near Bellingham, Washington. The course is a point-to-point route, starting at the Lost Lake Trailhead and finishing at the Larrabee State Park Amphitheate..

Trail races at Rattlesnake Mountain Preserve near Benton City offer 5K, 11K, 10 Mile and a timed 6 Hour format. The event supports trail maintenance, includes finisher glass awards, and offers cash bonuses for new course records.

Trail races of 5K, 10K and half marathon take place on forest trails at Night Owl Landing in Kingston. Packed dirt and some gravel, hydration after each loop, awards for top three in male, female and non binary categories.

The Trio Trail Run – March offers a low-key trail running event at Frontier Park in Graham. Runners can choose between a two-loop 5K or a 2.5K course. Day-of registration is available, with a discount for participants 18 and under.

Tackle rolling, rooty trails at Lord Hill Park on March 14 for the Pie High Trail Run, offering 5K, 10K and half marathon distances. Expect big climbs, mossy forest views and a rugged, rewarding trail experience for all levels.

Join the Running Rugger 5K on March 14, 2026 in Seattle for a scenic run across the University of Washington campus, Rainier Vista and waterfront. All abilities welcome and proceeds support the UW Womxn's Rugby Club for gear, travel and inc..

A beachside trail run at Dash Point State Park near Federal Way offering 10K and half marathon loop courses through sandy shoreline and lush forest, a cupless race policy, limited park parking, and a short kids race.

Event Overview The Badger Mountain Challenge is an ultramarathon and trail running event held in Richland, Washington. The 2026 edition marks its 15th annual running and takes place on March 27-28. Distances and Formats The event offers sev..

The fifth annual A2 PT 5K is a family friendly 5K on the Titlow Trails in Tacoma that benefits the National Multiple Sclerosis Society. The event features music, refreshments, a post-run raffle, race T-shirts for early registrants, and an o..

Spring Run For Fun invites trail runners to scenic Bridle Trails State Park in Kirkland, WA with 5 km, 10 km, half marathon, and marathon options on a rolling looped course. Enjoy forest trails, friendly aid stations, and on-site registrati..

The first Whitehorse Oso Strong Half Marathon is a 13.1-mile scenic run in the Stillaguamish Valley. Registration includes a medal, T-shirt, and chip timing. Early registrants can receive a discount.

Run the flat, fast Boston-qualifier course at the Redmond City Marathon. The out-and-back route starts at Sixty Acres Park and travels along the Sammamish River Trail. Finishers get clam chowder, and there's a pre race pasta dinner included..

The Daffodil 8K is the official running event of the Daffodil Festival. This flat, chip-timed route starts and finishes at Van Lierop Park and crosses onto the Foothills Trail. The first registrants receive commemorative medals and shirts.