Trail Running calendar near Bellevue 2026-2027

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.

A spring trail run at Battle Point Park on Bainbridge Island offering 10K, 5K and a kids 1 mile course. Proceeds support the Trails Connect Bainbridge Island campaign and go toward trail development.

Experience the lush single track trails of Cougar Mountain Regional Wildland Park in this focused trail series. Choose between various distances while supporting local park conservation and enjoying a cup free community running event.

Pigtails Run in Maple Valley, WA marks its 20th year with distances from a half marathon to 50K. The low-cost event follows a riverside, wooded course, has limited support, and includes a piggy medal and cake celebration.

Looped trail ultraruns around Elk and Beaver Lakes in Victoria BC offering 100K, 50 Mile, 50K and a 40K walk. Certified course with timed splits, aid locations and a 12 hour finish limit.

Trail running in Soaring Eagle Regional Park near Sammamish Washington with distances from a Kids Race to a half marathon. Routes start on the Pipeline Trail and follow mostly flat, well graded forest tracks with rooty tread.

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.

A fundraising running event in Bellingham on May 16 2026 offering a half marathon, 10k and trail 3k and 6k. Races start and finish at Fairhaven Park and proceeds support Girls on the Run of NW Washington.

A trail running weekend in Leavenworth, Washington with a new 25K skyline loop, a double-loop 50K, and a town 5K, set on ridgelines and forest roads with aid stations and a Bavarian-style festival atmosphere.

A paved ultramarathon on the Foothills Trail in Puyallup, WA on May 23, 2026, offering 50-mile and 50k distances with multiple aid stations, a 15-hour cutoff, and participant benefits from local sponsors.

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..

A multi-distance ultrarunning event at Lake Youngs Watershed near Renton, WA. The course is a rolling loop with 900 feet of elevation gain per lap and options from 50K up to 200 mile with time limits by distance.

A 25 mile race around Soaring Eagle Park in Sammamish with multiple distance options and a virtual 25 mile. Aid stations every 2.5 miles, commemorative T-shirts and finisher medals, plus food and street parking.

Trail runs at Ravenna Park in Seattle on May 26, 2026 with 4k, 8k and 12k options on a 4.1 km forest loop featuring moderate climbs, an aid station, post-race food, and awards as part of the Tuesday Night Trail to Grill series.

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.

Trail ultramarathon and trail runs on Vashon Island featuring 50K, 20 Miler and 10 Miler looped courses through Island Center Forest with staffed aid stations, live tracking and ferry access only.