Trail Running calendar near Vashon 2026-2027

Run through the night on a scenic ranch loop in Cle Elum. This 12-hour event features a community aid station, camping, and a post-run breakfast. It's a unique opportunity for a nighttime trail adventure.

Join an inclusive community event in Lacey featuring USATF certified courses along the Chehalis Western Trail to support the Lions Low Vision Resource Center.

Experience a flat and fast USATF certified race along the Cedar River in Maple Valley featuring scenic trestles and limestone paths. Finishers enjoy a medal and hot chili after completing their choice of a half marathon 10k or 5k.

A Spartan obstacle race weekend at Meadow Wood Equestrian Center in Snohomish WA on May 2 and 3 2026. The event uses wooded dirt trails beside the Snohomish River and includes Sprint 5 km, Super 10 km and a Kids Race.

Tiger Claw is a multi route trail event on Tiger Mountain near Issaquah on May 8 and 9, 2026. It features a *50k* plus Ascent, Big Cat and Ambush routes, and requires completion of three summit loops within the event cutoff.

Explore the trails of Bainbridge Island. This May event offers 10K and 5K courses through Battle Point Park, the Forest to Sky Trail, and the Grand Forest, plus a Kids Fun Run. All proceeds support local trail development.

A trail race at Cougar Mountain Regional Wildland Park offering 5.1 mile and 10.8 mile courses through forest and marshes near Seattle. Organized by Seattle Running Club and Northwest Trail Runs as part of a 21st annual series supporting Ki..

A 20th anniversary running event in Maple Valley, WA on May 9, 2026, with races from a half marathon to 50K. The riverside, wooded course offers modest support, a piggy medal for finishers, and a strictly enforced cutoff.

Soaring Eagle Trail Run in Sammamish on May 16, 2026 offers 5K, 10K and a half marathon on the Pipeline Trail and forest singletrack. Aid stations provide Tailwind and snacks and runners must carry a refillable container.

Experience a rugged trail race at Green Mountain featuring significant elevation and scenic summit views. Choose between 25k and 50k distances or join the official rucking division for a unique weighted pack challenge.

A trail race at Rattlesnake Ridge near Snoqualmie offering 5K, 5.8 mile and half marathon routes on single-track trails with significant climbing, ridge views, and aid stations on the longer courses.

An ultramarathon in Puyallup, WA offering 50 mile and 50k courses along the paved Foothills Trail. The route includes the new White River bridge, multiple aid stations, and a 15 hour cutoff for the 50 mile distance.

Timed loop races in Seattle's Magnuson Park offering seven and thirteen hour options on a scenic 1.54 mile mixed surface loop with chip timing, a well stocked aid station, participant medallions, a race tee and a boxed vegetarian post race..

Pigtails Challenge by NW Endurance Events runs May 23 and May 24, 2026, with multiple long-distance options and listed entry fees. Registration closes May 22 and processing fees are shown alongside each entry fee.

A trail event at Soaring Eagle Park in Sammamish on May 25, 2026 offering 5-to-25 mile distances on a five-mile loop, with aid stations every 2.5 miles, course markings, awards, finish food, and raffle prizes.

Experience a forested trail run through a scenic Seattle ravine with 4k, 8k, and 12k options. Enjoy groomed trails and a post race grill session featuring hot dogs and watermelon at Ravenna Park.

Timed 12 hour, 6 hour and 3 hour loop runs on a 1.70 mile paved circuit around Lake Tye in Monroe, WA. Aid stations, chip timing, participant medals and post race food and awards are provided.

Explore the open pine forests of the Teanaway Valley with 2, 4, or 8 hour navigation challenges. Use detailed orienteering maps to find checkpoints in a beautiful landscape featuring wildflowers and rugged terrain.

Muddy Paws Fun Run offers 2.1 mile, 5K and 10K trail options at the Port of Skagit Nature Trails while raising funds for local K9 units. The event uses staggered start groups and does not record official race times.

A trail race in Teanaway Community Forest near Cle Elum, Washington on May 31, 2026, offering 5k, 10k, half marathon and marathon distances on dirt roads and singletrack with aid stations and notable elevation gain.