Trail Running calendar near Mukilteo 2026-2027

We have found 110 Trailruns within 80 miles of Mukilteo. See below where and when you can find the races.

Run through the old-growth forests of Orcas Island on a challenging trail course with significant elevation gain. The event is a full weekend experience based at the scenic Doe Bay Resort, complete with a post-race celebration.

Event Overview The Lumberjack 100 is a trail running event in its 15th year, taking place at the Uplands in Port Gamble, Washington. It offers three race distances: 100 miles, 100 km, and 50 miles. Course Details All distances are run on an..

Light at the End of the Tunnel Marathon The Light at the End of the Tunnel Marathon takes place in Washington, starting from Snoqualmie Pass and finishing in North Bend. For 2026, the event will follow an alternate, fully permitted route du..

Experience a fast and scenic downhill race through the Cascade foothills on USATF certified courses. Runners can choose between a marathon or half marathon featuring mountain views and the iconic Snoqualmie Tunnel.

Gulch Countdown is a Last Person Standing race on a scenic 2.18-mile forest loop. Runners complete loops against a decreasing cutoff time until only one remains. A portion of each entry supports the local trails.

Experience diverse trails and lush forests at Cougar Mountain Regional Wildland Park. Choose from three distances ranging from a 5k to 14.5 miles just minutes from Seattle.

Enjoy a free seven race summer series featuring a 5k trail course in Black Diamond. Run or walk bi weekly races to build community and compete for season end prizes in a supportive environment.

Hotfoot 5K Trail Run in Port Orchard offers a mostly flat 5K and a 1 mile loop through South Kitsap Regional Park, with proceeds supporting a community scholarship and the public Fourth of July fireworks.

Experience the forest trails of Carkeek Park in Seattle with 5k and 10k options featuring rolling hills and post-run festivities. Enjoy a community atmosphere with refreshments and awards in a beautiful wooded setting.

The Yeti Ultra Trail Washington takes place on the Palouse to Cascades Trail near Hyak. Runners can choose between 200K, 100-mile, and 100K distances on a crushed limestone course featuring a long tunnel. The event emphasizes a supportive c..

SISU 24 Ultra PNW is a 24-hour or 100-mile adventure run at Camp Sheppard near Mount Rainier. Choose your challenge: run solo, with a team, or tackle the 100-mile route. Earn points by completing trail quests and optional side activities in..

Tiger Peak Challenge The Tiger Peak Challenge is a trail running event on Tiger Mountain, located near Issaquah, Washington. The event offers three distances: a 5-mile, a half marathon, and a 50K race. The courses involve running on trails..

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 through an old growth forest on the Lake Washington peninsula at Seward Park. This Tuesday evening event features technical trail loops, a post race grill, and distances of 4.2 miles and 10 km.

Experience the lush forests and rolling hills of Cougar Mountain Regional Wildland Park at this trail event near Seattle. Choose between 5k, 10.8 mile, and 19.5 mile distances on varied terrain ranging from technical to groomed trails.

Run through the forests and meadows of Crystal Mountain with views of Mount Rainier. This July 2026 trail event features downhill half marathon and 10K courses, plus a steep 5K hill climb. The weekend includes a race expo, gondola access, a..

The Cascade Crest 100 is a legendary Washington trail run featuring over 23,000 feet of climbing on the PCT. The course passes through the long Snoqualmie Tunnel and requires participants to complete trail work and a race qualifier. It is k..

Experience the lush forests and historic grounds of St. Edward State Park at this summer trail run. Choose between a 4 or 8 mile loop followed by a social grill out with hot dogs and watermelon.

Dirt Circus Seattle is a free community festival celebrating the local trail running scene. It features a social group run, followed by food, an expo, and a raffle with prizes. The event is held at Seven Hills Running Shop, connecting runne..