Trail Running Calendar Oregon 2026-2027

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.

A low-key four-race trail series around Bend, Oregon held on monthly Thursday evenings. Courses range from 4 to 7 miles and overall standings include runners who complete at least three races.

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.

Mud Factor MEDFORD is a 5K obstacle run at Moto541 in Central Point, Oregon on May 9, 2026, with Kidz family waves and adult waves. Participants must bring a signed waiver and adults must show photo ID; spectators pay an admission fee.

A spring trail running event in Oregon's Tillamook State Forest offering a 50 mile race, a 55K and a two day double option. Courses pass waterfalls, stream crossings and second growth forest around historic Reehers Camp.

A two-hour checkpoint run at Mt. Tabor Park where participants get a map, pick their own routes, and try to collect as many checkpoints as possible. Solo and team entries are available with prizes for top finishers.

Trail races at Prescott Park at Roxy Ann Peak in Medford on May 16, 2026. Distances include a 10 Miler with about 1800 ft of elevation and a 5K around the service road. Finisher socks are provided.

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 road race in Cottage Grove, Oregon on May 17, 2026 offering a 13.1 mile half marathon on the Row River Trail with bus transfer and a 6.2 mile 10K out and back to Mosby Creek. Registration and volunteer roles have set limits and deadlines.

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 five-week trail race series at Mt Pisgah and Howard Buford in Eugene, Oregon, with five Thursday events from 3 to 8 miles. Courses are marked, parking permits are required, and the series concludes with awards and raffle prizes.

A self paced summer challenge in Central Oregon from May 22 to October 1, 2026 where participants summit nine buttes and redeem a free pint at each sponsored brewery. A single butte Micro Challenge is also available.

A nighttime loop race at Cline Buttes in Redmond Oregon offering 3, 6, and 12 hour options, a Last Person Standing format, and a one-loop 5k. The 3 mile loop includes a 0.5 mile 800 foot climb and a single aid station.

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..

Half Marathon, 5 Mile, 5K and a free 1 Mile kids run in Joseph City Park, Oregon on May 23, 2026. The half marathon climbs from about 4200 to 5100 ft with aid stations and mountain views.

Ridgeline Ramble in Eugene on May 23, 2026 features **20K** and **10K** trail races on the Ridgeline Trail with shuttles, aid stations, gear transport and age group awards.

Trail races of 10 mile, 50K, and 50 mile around Smith Rock State Park and the Crooked River Grasslands with significant elevation change, single track sections, and multiple aid stations.

Trail running event near Klamath Falls offering 50K, 30K, half marathon and 5 Miler on mostly single track trails with multiple aid stations and nearby lodging options.

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.