Trail Running calendar near Olympia 2025-2026

Run With The Kokanee is a fall running event held at Lake Sammamish State Park in Issaquah, Washington. It features flat and fast 5k and 10k distances, with the 10k consisting of two loops of the 5k course. The route is about two-thirds paved sidewalks and paths, and one-third dirt or grassy trails,..

The West Seattle Monster Dash is an annual costumed 5K trail run/walk held at Lincoln Park in Seattle, WA. The 14th edition takes place in October 2025 and features a 5K Run/Walk, a Kids Monster Dash for children 12 and under, and a "Just a Shirt!" option. Participants receive a t-shirt with the ico..

Endless Trails’ Carkeek 12-Hour returns for its 19th edition at Carkeek Park in Seattle, Washington, offering in-person and virtual options. Runners choose between a 12-hour or 6-hour race, looping a 1.93-mile course with about 436 feet of elevation gain per lap, featuring rolling trails, stairs, an..

The Cougar Mountain Trail Run, held at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, offers a scenic trail running experience just 15 minutes from Seattle. The event features multiple race distances: 5k, 7.6 miles, 19.5 miles, and 50 kilometers, with elevation gains..

Hyak Halloween 25K, a Rainshadow Running event, takes place on Snoqualmie Tribe Ancestral Lands at the Hyak Trailhead along the Palouse to Cascades Trail near Snoqualmie Pass, Washington. The 25K course features about 1,800 feet of cumulative elevation gain and a similar descent, with roughly half t..

Salt Creek 24 is an all-day, all-night endurance event at Salt Creek Recreation Area in Port Angeles, Washington. It offers three formats: a 1.3-mile loop for a 24-hour race (solo or relay), a Last Runner Standing that ascends Striped Peak (3.75 miles with around 1,000 feet of elevation per summit),..

ScaryAss 25K/14K/4K is a low-key trail race in Olympia, Washington, starting and finishing at Fall Creek Day Use Area in Capitol Forest. Organizers offer three distances: a grueling 25K to Capitol Peak and back, a scenic 14K loop, and a family-friendly 4K along mountain-bike trails. The 25K features..

The Willapa Trail Festival is a multi-distance trail running event held in Chehalis, Washington, with races from 5K to 100 miles. Runners start and finish at Owl and Olive Cafe, using the flat, fast Willapa Hills State Park Trail along the Chehalis River. Distances offered: 5K, 25K, 50K, 50M, 100M...

Grand Ridge Trail Run is the finale of Evergreen Trail Runs, held at Grand Ridge Regional Park in Issaquah, Washington, just across I-90 from Tiger Mountain. Distance options include 5 Mile, Half Marathon, Full Marathon, 50K, plus 5M Brunch Run and a Kids’ Race. The course uses two distinct loops: a..

Battle to the Pacific is a running event held at Fort Stevens State Park near Hammond, Oregon, along the scenic Oregon coast. The race features multiple distances including a 5K, 1/4 marathon, 1/2 marathon, and a unique 12-mile Ruck Challenge, which involves carrying a 35-pound pack. The course is m..

Saturnalia is a winter trail running event held at Squaxin Park in Olympia, Washington. Featuring a 10K distance, it offers participants a festive holiday atmosphere amid the challenges of winter trails, darkness, and variable weather conditions. The event celebrates the season with a fun and spirit..

2025 Pigtails Run in Maple Valley, Washington marks its 20th year with the event’s Fat Ass vibe. It offers 50K, marathon, and half-marathon distances, starting and finishing at Four Corners in Maple Valley. The course mostly uses paved river trails, with some dirt and gravel, using out-and-back sect..

Lord Hill Trail Run, held at Lord Hill Park in Snohomish, Washington, opens the Evergreen running season. The regional park, with over 1,300 acres of wilderness in the Cascade foothills, hosts six distances: 50K, 20 Miler, 10 Miler, 10-mile Brunch Run, 5K Brunch Run, and a Kids Race. The course begi..

Little Backyard Adventure in L.B.A. Park, Olympia, Washington, offers 3-, 6-, and 12-hour endurance runs on a ~4-mile loop with ~200 feet of gain. The course winds through a largely single-track forest, with fern-covered canopies and technical twists that test footing. Runners complete as many laps..

Dash Point Trail Run takes place at Dash Point State Park in Federal Way, Washington—a 398-acre park with 3,300 feet of Puget Sound shoreline. There are two distances: 10K and half-marathon (13.1 miles). The race uses one loop for the 10K and two loops for the half, with a brief extra lollipop segme..

OAT Run is a trail-running event held in Port Angeles, Washington, on the Olympic Adventure Trail. It offers three distances: a point-to-point 12K, a half marathon, and an out-and-back 50K, with a 130-runner limit per distance. The course runs along single-track forest trails on Kelly Ridge between..

Squak Mountain Trail Run is held at Squak Mountain State Park near Issaquah, Washington. The event offers distances: 12K, Half Marathon, and 50K (with a Kids Race and a 12K Brunch Run). Runners tackle rugged, technical singletrack through lush forest, with elevation gains of about 1,800 ft (12K), 3,..

Soaring Eagle Trail Run, presented by Arc’teryx Seattle, takes place at Soaring Eagle Regional Park in Sammamish, Washington. The event offers 5K, 10K, and Half distances; the half marathon uses the 10K loop twice, while the 5K is a shorter, abbreviated version. All courses start on the Pipeline Tra..

Vashon Island Ultramarathon & Trail Run takes place on Vashon Island, Washington, offering 50K, 20-mile, and 10-mile options from the Gateway Trail system near SW 178th and 103rd SW. The rolling course is mostly single- and double-track trails with dirt roads and grassy shoulders, about 770 feet of..

Yeti Ultra Trail Washington, staged along the Palouse to Cascades Trail near Hyak, Washington, offers 50 Mile, 100K, and 100 Mile distances (with a 200K added in 2026). Runners begin and finish at Hyak, following an out-and-back route with dramatic scree fields, valley views, and the famous 2.3-mile..