Trail Running calendar near Federal Way 2026-2027

We have found 71 Trailruns within 80 miles of Federal Way. See below where and when you can find the races.

The Needles 50k is a self-supported, unmarked mountain ultramarathon loop near Easton, WA, with 10,000 feet of climbing. Runners must navigate using a provided GPX file and carry all their own supplies, treating water from creeks. A 50-mile..

July 2026

A day of road trail racing on the Sammamish River Trail offering a half marathon, marathon and 50K out and back from Bothell Landing Park. The route passes Wilmot Gateway Park and turns at Dr Call's Bench.

Run the July Cougar Mountain Trail Run at Sky Country Trailhead in Bellevue on scenic single track through forest, hills and wetlands with 5K, 10.8 and 19.5 mile options. $15 from every entry benefits King County Parks.

A 100-mile trail race near Easton, WA featuring over 23,000 feet of climb, about 32 miles on the PCT and a 2.3-mile tunnel. Entrants must complete required trail work and meet a trail-distance qualifier.

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

The August event of the Cougar Mountain Trail Run Series offers three distances on scenic, forested trails. This community-focused run supports local parks and is part of a popular summer series. Participants should bring their own water bo..

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..

Run a fast, scenic downhill course on the Palouse to Cascades Trail in North Bend. The marathon is a Boston qualifier, and the half marathon features the famous Snoqualmie Tunnel. Enjoy mountain views and a point-to-point route.

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..