Trail Running calendar near Warrenton 2025-2026

Millersylvania Trail Races, held at Millersylvania State Park in Olympia, Washington, offer 50K, 25K, 10K, 5K and a 12-hour solo option on August 30, 2025. The 5K loop runs through old-growth forest and along waterways, with about 100 feet of elevation gain per loop; 50K/25K are multiple loops, whil..

The Ultimook Race Open 5k is a unique cross-country running event held in Tillamook, Oregon, on a premier flower farm. The 5-kilometer course features diverse terrain including wood-chipped trails, a mud pit, two river crossings, a corn maze, and fields of flowers, offering runners a challenging and..

The Dragonslayer Fantasy Dash and Strut is a 5K running and walking event held in Portland, Oregon, at Gabriel Park. Participants are encouraged to dress as their favorite characters—superheroes, villains, knights, or mythical creatures—and enjoy a magical trail experience featuring mild inclines an..

Backcountry Rise takes place in the Mt. St. Helens backcountry near Toutle, WA, staging at the Mt.St. Helens Science & Learning Center above Coldwater Lake. The event features three remote trail distances: 50K, 20 Miler, and Half Marathon, all within the Mt.Margaret Backcountry of the Mount St. Hele..

The Three Course Challenge is an annual cross-country running event held at Camp Rilea in Warrenton, Oregon. It features three distinct courses—Easy (4,300m), Moderate (5,000m), and Difficult (5,000m)—designed to test athletes' endurance and mental toughness across varied terrain including grass, di..

The Crown Stub 100 is a challenging ultramarathon held at Stub Stewart State Park in Buxton, Oregon, known for its scenic outdoor adventure setting. The 100-mile course features over 10,000 feet of elevation gain and combines various terrains, including asphalt on the Banks Vernonia State Trail, har..

Stub Stewart Trail Challenge is a multi-distance trail race held at L.L. Stub Stewart State Park in Buxton, Oregon. The course is a fast, 6.5-mile loop that blends Banks-Vernonia Trail pavement with unpaved roads, offering rolling hills and occasional climbs.Distances this year include a 1/4, 1/2, 3..

Mt. Tabor Tar 'n' Trail is a fundraising running event held at Mt. Tabor Park in Southeast Portland (6000 SE Tabor Summit Dr.) to benefit The Friends of Mt.Tabor Park (FMTP). The event features a 5K run/walk, a 10K run, and a 5K kids run for ages 12 and under. The course is hilly and blends paved ro..

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...

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..

Hagg Mud 50K/25K is an early-season trail race near Gaston, Oregon, starting at Henry Hagg Lake in Scoggins Valley Park. The event offers 50K and 25K distances on a lake-loop course that features muddy, technical single-track, with the 50K running two laps and the 25K one loop. A short gravel-road o..

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..

The Tillamook Burn Trail Run, hosted by Daybreak Racing, is a springtime trail running event held in Oregon’s Tillamook State Forest, located between Portland and the Oregon Coast. The event features two challenging races: a 50-mile ultramarathon and a 55K trail run, with an option to run both races..

Wood You Rather is a unique checkpoint-style trail race held in Mt. Tabor Park, Portland. There is no pre-set course: at the start you’re given a map with ten highlighted checkpoints and you choose the order to visit them, deciding which trails to take to reach each point.Runners typically cover abo..

Stumptown Trail Runs is a Memorial Day weekend trail race in Forest Park, Portland, Oregon. The event offers Portland’s only 50K and a half marathon, attracting locals and visitors to the city’s backyard trails. The 50K route climbs about 4,000 feet, while the half marathon features around 1,800 fee..

Bigfoot Fun Run takes place in Yacolt, Washington (ZIP 98675) as part of the town’s weekend of racing. The event offers a 5K Run/Walk and a 10K Run/Walk, with maps available for both courses to help participants plan their routes. The atmosphere is described as an annual tradition, hosted by the Tow..

Volcanic is Go Beyond Racing’s Mt. St. Helens race in Washington state, offering a grueling 50K+ and a 25K option.The 50K course follows the Loowit single-track to circumnavigate the volcano, featuring large boulder fields, river crossings, the blast zone, and steep, sometimes rope-assisted drainage..

Bigfoot 20 Mile Run takes place in Cougar, Washington, starting at Marble Mountain Sno Park on Mount St. Helens. The 20-mile course follows the volcano’s southwestern flank on 100% single-track trails, weaving lava fields, stream crossings, old-growth forests, and high-country terrain.It’s a remote,..