Trail Running Calendar Washington 2026-2027

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

A point to point marathon and half marathon on the Palouse to Cascade and Snoqualmie Valley trails near Snoqualmie Pass and North Bend, Washington. The marathon includes a tunnel and a steady downhill that often produces fast finish times.

A nonstop point to point trail run on and around Mount St. Helens covering 207.9 miles with large elevation change, varied volcanic and forest terrain, and on-course aid and sleep stations on National Forest lands.

Take on a 20 mile single track trail run around Mount St. Helens near Cougar, Washington, winding through lava fields, stream crossings and old growth forest. Rugged, scenic and unforgettable for trail lovers.

Trail races in the Olympic National Forest near Quilcene offering 100K, 50K, 25K and 10K distances, including ruck divisions. Courses feature extensive single track, large elevation gains and remote race headquarters accessed by forest road..

An evening 5k, 10k and half marathon on the paved Chambers Bay Loop Trail in University Place, WA, featuring multi-loop courses, aid stations, race-day packet pick-up, and a strict no-litter policy.

Backcountry Rise is a trail race at the Mount St. Helens Science and Learning Center offering 50K, 20 mile and half marathon loop courses through remote, exposed singletrack with significant elevation and required safety gear.

September 2026

Trail ultramarathons in the remote Dark Divide near Randle WA with 100M, 100K, 50K and 15M distances. The 100 Miler requires prior qualifications and includes specific pacer and volunteer requirements.

Gravel road marathon, half marathon, and 10k around Jump off Joe Mountain near Kennewick WA. Aid stations sit 3 to 5 miles apart and the event is cupless so participants must carry their own hydration.

A high alpine 10.5 mile singletrack run on the Pacific Crest Trail over Cutthroat Pass, with one aid station, cupless refilling, shuttle service and age divisions from youth through 70 plus.

Point to point trail races on the Olympic Adventure Trail in Port Angeles, finishing at Lake Crescent inside Olympic National Park. Options include a half marathon, marathon and a 50K, with aid stations, shuttle service and a lakeside after..

A USATF certified marathon and half in North Bend, WA on September 12, 2026, run on point to point gravel courses with net downhill; the half includes a 2.4 mile Snoqualmie Tunnel.

Flat out and back gravel course through mossy evergreen forests at Tolt MacDonald Park in Carnation. Events include 5K, 10K, half marathon and full marathon with aid stations serving water, gels and Nutella sandwiches.

The Coal Miner will take place in Roslyn on Saturday 12 September 2026. You can run between 51 and 100 miles.

A trail race at Mount Spokane State Park on September 13, 2026 offering 25K, 10K, 5K, a virtual option, and a Kids Fun Run for ages 1 to 12.

Tunnel Light Marathon and Half Marathon follow a point to point downhill route from Snoqualmie Pass to North Bend and are USATF Boston certified. Registration is paused after storm damage to the Palouse to Cascade Trail with a tentative reo..

A mountain trail race at Crystal Mountain, WA covering about 7.7 miles and 2,544 feet of ascent. The route climbs Kelly’s Gap to Grubstake, follows alpine ridgelines and forest trails, and returns to the resort base with organized divisions..

A self supported mountain trail event in the Cascades offering 100K and 100 mile options, about 21,000 feet of elevation change and one resupply point after the first 100K. The race is nonprofit and benefits local rescue and veteran groups.

Run 70 miles across scenic Moran State Park on Orcas Island in this 12 leg team relay staged over two days on Sept 19 2026. Teams of two to six tackle varied trail legs from runnable to moderately technical, with meals and onsite cabins.

Ultra Fest in Easton, Washington offers 25K, 50K, 50M, 100K and 100M races on fast, flat sections of the Foothills Trail, featuring lakeside running at Keechelus Lake, crew access, on site parking, drop bag options and event swag.

A themed 5K on September 19, 2026 at Magnuson Park in Seattle that invites participants to walk or run in costume. The trail route includes mild inclines and mixed surfaces and welcomes leashed dogs and suitable strollers.