Trail Running calendar near West Seattle 2026-2027

Tackle rolling, rooty trails at Lord Hill Park on March 14 for the Pie High Trail Run, offering 5K, 10K and half marathon distances. Expect big climbs, mossy forest views and a rugged, rewarding trail experience for all levels.

Join the Running Rugger 5K on March 14, 2026 in Seattle for a scenic run across the University of Washington campus, Rainier Vista and waterfront. All abilities welcome and proceeds support the UW Womxn's Rugby Club for gear, travel and inc..

The Dash Point Trail Run takes runners along sandy beaches and through lush forests in Dash Point State Park. Choose between a scenic 10k or a half marathon on well-maintained, non-technical trails. The event is cupless and supports environ..

Join this annual 5k walk and run at Titlow Park to support the Multiple Sclerosis Program. Enjoy a morning of community fitness featuring music, coffee, snacks, and raffle prizes for all participants.

Experience a scenic trail run through the forested loops of Bridle Trails State Park with distances ranging from 5km to a full marathon on gently rolling, snow free paths.

Experience a scenic 13.1 mile out and back run through the Stillaguamish Valley in Arlington. This community event supports the Oso Slide Memorial and offers chip timing and finisher medals for all participants.

Run the flat, fast Boston-qualifier course at the Redmond City Marathon. The out-and-back route starts at Sixty Acres Park and travels along the Sammamish River Trail. Finishers get clam chowder, and there's a pre race pasta dinner included..

Join the official event of the Daffodil Festival for a flat 8k run starting at Van Lierop Park. This family friendly race is chip timed and offers commemorative medals to the first 100 registrants.

Experience the lush forests of the Pacific Northwest with a 12K, half marathon, or 50K trail run along the Olympic Adventure Trail near Port Angeles. Enjoy a professional single track race followed by a community after party and hot meal.

Hit the trails at Royal Roads University for this scenic trail run. Choose between an 11k or 6k course through forested paths. The event supports local nature trail conservation.

Explore the flowing single track trails of Royal Roads University in Victoria with race distances of 1 km, 6 km, and 11 km suitable for various experience levels.

This April trail race at Bridle Trails State Park features 5-mile and 10-mile courses. Participants receive a t-shirt, finisher medallion, and post-race baozi. Top runners earn custom horse trophies and Starbucks cards.

Tackle the rugged trails of Squak Mountain State Park near Issaquah. Choose from distances including a 50k, Half Marathon, or a 12k, all starting with a significant climb. Experience a lush forest and technical descents on this early season..

Experience the rugged beauty of Capitol Forest at this long running trail event. Choose between a 25 km race or a 50 mile ultra featuring single track trails, gravel roads, and scenic peaks.

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.

Tiger Claw tests runners on the steep trails of Tiger Mountain. Options include a vertical ascent, a rugged 50k with three climbs, or a team relay. Tackle the challenging Pacific Northwest terrain.

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.

Trail races at Cougar Mountain in Bellevue on May 9, 2026, featuring 5.1 and 10.8 mile options and summer series distances. Events support King County Parks and run on fern-lined single-track trails with rolling hills.

Celebrate twenty years of running at this low-cost event in Maple Valley featuring scenic river and wood trails. Choose between 50k, marathon, or half marathon distances and enjoy post-race cake and themed medals.