Trail Running calendar near Olallie Lake 2026-2027

A family oriented trail event on April 26, 2026 at Oxbow Regional Park near Gresham offering 5k, 10k and a Half Marathon through riverfront trails, forest, and ridge terrain, with aid stations, picnic facilities, and a 150 runner limit.

Test your hill skills in this 4.45 mile time trial at Forest Park. Experience a steep out and back course on Firelane 1 followed by a live results viewing party at a local brewery.

A 50K trail ultramarathon in OSU’s McDonald Forest featuring smooth singletrack, scenic May views and a pine-needled downhill finish, limited to 300 runners and including a hoody and socks with entry.

Point to point trail half marathon from Husum to White Salmon featuring a 1500' climb on Weldon Wagon Trail, trails lined with wildflowers, and a fully stocked aid station. Proceeds support the Volunteer Firefighters Association of SW Fire..

Trail 50K and Half Marathon in Sisters Oregon on May 3, 2026, both start and finish at Village Green Park. The event features post-race food and beer, finisher medals, and aid stations staffed by the beneficiary team.

A low-key evening trail race series in Forest Park with three five-race Series from April to October. Races cover 4 to 7 miles, score into Series standings after four finishes, and benefit the Forest Park Conservancy.

COCC Jungle Run in Bend, Oregon on May 7, 2026 offers 2 mile and 4 mile options at the COCC Track. Non-students pay $15 plus processing while COCC students register free with student ID and a free T shirt is available.

Timed loop event at Linfield University’s Wellness Trail in McMinnville on May 9, 2026 offering one, three, six, eight and twelve hour options, a four loop team relay, and bingo lap races on an about 1.5 mile course.

A checkpoint run at Mt Tabor Park where runners get a map, pick their own routes, and try to collect the most checkpoints within two hours. Solo and team entries are available and finishing runners receive a mug plus event refreshments.

A 2.62-mile out-and-back on the paved double-wide trail at Frenchman's Bar Regional Park in Vancouver WA, with on-site gear pick-up, swag, parking for a fee, and a virtual participation option.

A low-key evening trail race series in Forest Park with three five-race Series from April to October. Races cover 4 to 7 miles, score into Series standings after four finishes, and benefit the Forest Park Conservancy.

A self paced summer challenge in Central Oregon from May 22 to October 1, 2026. Hike nine buttes or try a single Micro Butte and redeem a free pint at each sponsoring brewery while tracking progress with summit submissions.

A night-oriented loop race at Cline Buttes offering 3/6/12-hour events, a Last Person Standing format, and a 5k on a 3-mile loop with a steep 0.5-mile climb; cupless aid, volunteer credits, youth discounts, and Indigenous free entries.

Trail races in Portland’s Forest Park over the Memorial Day weekend, featuring a 50K with nearly 4,000 feet of climb and a hilly half marathon; proceeds benefit the Forest Park Conservancy and finishers receive a pint glass and postrace foo..

Smith Rock Classic in Terrebonne, Oregon features 10 mile, 50K and 50 mile trail races around Smith Rock State Park and Crooked River Grasslands. Courses include several thousand feet of elevation gain, mixed single track and gravel surface..

A low-key evening trail race series in Forest Park with three five-race Series from April to October. Races cover 4 to 7 miles, score into Series standings after four finishes, and benefit the Forest Park Conservancy.

Experience the scenic trails of Bend at the FootZone Dirty Half. This 13.1 mile course transitions from pavement to single track trail through the National Forest and concludes with a celebration featuring music and prizes.

A community trail event in Corvallis offering 30K, 8K, a 2 Miler and a 1/4 mile Kids Run, with routes through Bald Hill and Fitton Green. Proceeds support the Greenbelt Land Trust Trail Fund and same-day registration is available.

A 31 mile 50K trail ultramarathon along the McKenzie River near Blue River Oregon, passing waterfalls, Clear Lake and Tamolitch Pool. Aid stations occur every 4 to 6 miles and the event is cupless with shuttle service included.

Trail half marathon and four mile in White Salmon, WA with lollipop loops, hilly terrain, and three aid stations. The event raises funds for the local cross country program and allows day of registration with cash, check or Venmo.