Trail Running calendar near Tacoma 2026-2027

We have found 64 Trailruns within 80 miles of Tacoma. See below where and when you can find the races.

A 100 mile trail endurance race near Easton, WA on July 17, 2026 featuring over 23,000 feet of climb, about 32 miles on the Pacific Crest Trail and the 2.3 mile Snoqualmie Tunnel. Entry is by lottery and specific trail work and qualifier re..

A multi-distance trail weekend at Crystal Mountain Resort featuring a summit-start half marathon, a downhill 10K, and an uphill Hill Climb 5K, with gondola access, chip timing, on-site camping, and a cup-free sustainability policy.

A free community festival for trail runners in Seattle with a group social run, an expo of local race directors and brands, food and a raffle. The Seattle edition offers 4 mile and 6.5 mile run options and a city T-shirt preorder.

August 2026

A skyrunning weekend at Mt. Ellinor in Hoodsport, WA on August 1 and 2, 2026, with a 22 km summit skyrace and an 8 km forest loop, limited campground, and inclusion in the Skyrunner World Series and UTMB Index.

UTMB Index

Trail races at Sky Country Trailhead in Bellevue offering 5K, 14.5 miles, and marathon distances. Organized by Seattle Running Club and Northwest Trail Runs, with $15 per entry donated to King County Parks.

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.

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..

Run the scenic, paved loop at Chambers Bay during twilight hours. Choose from a half marathon, 10k, or 5k distance on a course with rolling hills. This USATF sanctioned event is part of the Run Super Series.

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.

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..

Point to point marathon and half marathon on the Palouse to Cascades Trail near North Bend, WA. The marathon is USATF certified and a Boston qualifier while the half includes a 2.4 mile tunnel section.

Beat the Blerch offers a 5K, 10K, half marathon, and marathon on a flat, scenic course near Seattle. The event starts at Tolt-MacDonald Park and runs through the forests of the Snoqualmie Valley.

The Coal Miner is a rugged, self-supported 50+ mile trail run in Washington's mountains. With no course markings and minimal aid, it's a true back-to-basics challenge for experienced runners. Finish requires summit selfies and a verified GP..

McCormick 24 challenges runners on a hilly 2-mile loop in Gig Harbor. Choose from 24-hour, 12-hour day, or 12-hour night formats to test your endurance. Everyone gets an award, with a special buckle for those who conquer 100 miles.

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..

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.