Trail Running calendar near Burlington 2026-2027

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 4.45 mile run and walk in Sumas, WA on mixed road and trail with steep climbs, descents and obstacles. Proceeds support a local family facing a rare neurological condition. Participants must be 16 or older.

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.

Trail running at Bear Mountain Park on May 23, 2026 with 30 km, 15 km and 8 km courses featuring significant elevation gain. A 500 m kids race is included and several charities and sponsors are associated with the event.

Timed 7 hour and 13 hour loop races on a scenic 1.54 mile mixed-surface course in Magnuson Park, Seattle, with chip lap counting, a well-stocked aid station, medallions and a boxed vegetarian post-race meal.

Point to point trail races from Cleveland Park or Lower Seymour Conservation Reserve into Deep Cove, featuring technical sections, aid stations, cup free policy and a paid shuttle to return racers to start areas.

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.

Trail races on Sumas Mountain offer 10K, 25K and 50K routes across rugged single track with significant elevation and valley views. Entry fees support clean water projects in Uganda and DRC.

An eight hour loop event at Rolley Lake Provincial Park on May 30, 2026, where runners complete 8 km laps to raise funds for Mission Search and Rescue. Onsite, relay, 1 km fun run and virtual options are available.

Two day event at Cultus Lake on May 30 and 31, 2026 offering 15 km and 35 km trail races plus a multisport SUP bike run available solo or as a three person relay.

Trail events at Sooke Potholes Provincial Park on May 30, 2026 offering 25 km and 50 km courses with multiple climbs, aid stations, and sections on the Galloping Goose trail.

Trail event in Port Moody on May 30, 2026 offering 5 km, 10 km and team options, with tiered registration and pre event or race day packet pickup.

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.

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.

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.

FORGE is a 12 hour backyard ultra near Swinomish Casino in Skagit County, WA. Runners complete a 4.167 mile loop each hour; finish all 12 loops for 50 miles. Awards include trophies and a $500 prize for fastest cumulative time.