Trail Running Calendar Washington 2026-2027

Interlaken Icicle Dash at Interlaken Park in Seattle on January 30, 2027 offers 5k and 10k trail races as the final event of the 2026/27 Winter Trail Series. The course uses a 2.5 km loop on paved boulevard and dirt trails.

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.

Annual community ski event in the Methow Valley with marathon, half marathon and relay across Methow Trails to Sun Mountain Lodge.

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.

A 100 mile, four loop trail race on Orcas Island featuring steep climbs, about 26,000 ft of gain, stocked aid stations, and an optional Tower Club award.

A point-to-point 25K trail race in the Chuckanut Mountains near Bellingham, WA, featuring singletrack, ridgelines, possible views of Mount Baker, chip timing, and finisher swag.

Trail ultramarathon in Richland WA offering distances from 15K to 100 miles, ruck divisions, and a 50M/55K double over two days in March.

A timed loop event at Green Lake Park in Seattle where runners complete as many 3.2-mile counter-clockwise laps as possible in 12 hours; a 5-hour option is available.

Trail races at Deception Pass State Park featuring a 13.1 mile half, a 10K and a combined 19.3 mile double on coastal bluffs and single track trails.

A cloverleaf trail race in Quincy, WA featuring single track loops around desert lakes and the Columbia River Gorge, central aid support, required personal hydration, and options from 10K to 50 miles.

Trail races on the Olympic Adventure Trail near Port Angeles, Washington, offering point to point 12K and half marathon plus an out and back 50K on singletrack, limited fields, cupless hydration, shuttle service, and a post-race meal.

Women's only 6-hour trail race at Bennington Lake on April 10, 2027, on a 5-mile Whitetail Trail loop; organized by Run Oregon with support for Trail Sisters.

A 50K out and back trail run along the Yakima River Canyon near Ellensburg WA with about 9,200 ft of elevation gain, exposed desert trails and multiple aid stations.

A 25K out-and-back trail race near Ellensburg, WA featuring 4,700 ft of elevation change, exposed high-desert terrain, two aid stations, and on-site primitive camping.

Trail event in the Methow Valley offering marathon, half marathon and relay options over single track, gravel roads and flowered meadows with notable elevation changes.

A volunteer-organized trail running event at Riverside State Park on April 25, 2027, offering distances from 5K to 50K, relays, and a two-person tag team. Proceeds support local youth programs and partner organizations.

Weekend Spartan obstacle races at Meadow Wood Equestrian Center near Snohomish with 5 km and 10 km courses plus kids races and spectator options.

Trail races of 50M, 50K and 25K around Sun Mountain near Winthrop WA, featuring lakeside finishes, shuttle service and on-site camping.

Trail weekend at Tiger Mountain near Issaquah featuring an ascent, a 50k, a three person relay and a combined Big Cat option.

Scenic 10K, 5K and kids 1-mile runs from Battle Point Park along the Forest to Sky Trail on Bainbridge Island with proceeds supporting local trail development.