Trail Running Calendar Oregon 2026-2027

A trail run near Oakridge, Oregon offering two single-track distances: a 14 mile course with 3300 feet of climb and descent, and a 5.5 mile point-to-point with shuttle service. Part of the Run Big Trail Series.

A low-key evening trail running series in Forest Park, organized as three Series of five races with courses around 4 to 7 miles. The Series includes standings, a post-Series awards gathering, and benefits the Forest Park Conservancy.

A 100K loop ultramarathon around Waldo Lake near Oakridge, Oregon. The mostly single track route climbs several peaks from Willamette Pass Ski Area and includes remote sections and mountain views. Entry used a lottery for 2026.

A 100 mile mountain trail race at Mt Hood Meadows featuring 17,300 feet of ascent and descent, a lollipop loop course with crew access, a 250 runner cap, and Western States qualifier status.

A trail event at Left Coast Estate on August 1, 2026, with 10K and 5K run options and a 5K walk. Proceeds support the Oak Savanna Restoration Project and the day includes wine tasting, live music, and awards.

A remote mountain ultramarathon in the Elkhorn Mountains near Sumpter, Oregon, offering **53 mile** and **50K** courses. Prior trail ultramarathon experience is required; registration includes shuttle, post-race meal, finisher award, and fa..

Haulin Aspen is an all-trail running event on August 8, 2026 near Bend, Oregon. It features a full marathon, half marathon, a 6.5 mile course, and a new three person marathon relay on forested single track.

An 11th annual six person relay in La Grande, OR covering 80.6 miles with about 6,000 feet of elevation gain, featuring gravel mountain roads and a trail finish at a ski resort. Registration has early, regular, and late pricing.

Experience a 5k mud run and garden party at the Wooden Shoe Tulip Farm. This annual event combines an adventurous obstacle course with a vibrant flower festival to support local charitable community projects.

Angry Owl Ultramarathons in Salem, Oregon offers 24 hour, 12 hour and 6 hour timed runs on a 1.05 mile loop at Bush's Pasture Park. Chip timing and a single aid station are provided, and each participant receives a cap.

Boise Spartan Trifecta Weekend at Tom Pence Ranch on Aug 8 and 9 2026 features Sprint, Super and Beast obstacle races plus a kids race, an obstacle workshop, a Hurricane Heat 4HR event and spectator options.

A 24 hour challenge at Elijah Bristow State Park where runners complete ten 5 km laps at 2.5 hour intervals. Camping, meals, drinks, event shirts and swag are provided and finishers receive a coffin style award.

A low-key evening trail running series in Forest Park, organized as three Series of five races with courses around 4 to 7 miles. The Series includes standings, a post-Series awards gathering, and benefits the Forest Park Conservancy.

A two day mountain trail running weekend at Mt. Hood Meadows with alpine courses reaching 8,000 feet and distances from a .75 mile kids run to a 50 mile race. The 50K is the 2026 USATF 50K Trail National Championship.

A trail half marathon in Hood River, OR on Aug 22, 2026, featuring about 2,300 ft of elevation gain, two aid stations, a cup-less policy, and finisher prize bags plus bonus prizes.

Experience the Oregon Coast with hilly trail runs at Sunset Bay State Park. Choose from four distances featuring cliffside ocean views, wooded paths, and beach sections in this RRCA sanctioned event.

A low-key evening trail running series in Forest Park, organized as three Series of five races with courses around 4 to 7 miles. The Series includes standings, a post-Series awards gathering, and benefits the Forest Park Conservancy.

A 5k cross country race on a flower farm in Tillamook, Oregon, with a mud pit, two river crossings, wood-chipped trails, a corn maze, and fields of flowers. Two open races are held the same day and results are combined.

River Falls in Bend Oregon features 5K and 10K trail races along the Deschutes River and the Central Oregon Historic Canal Trail, beginning and ending at Riverbend Park with finisher medals and awards for top placers.

Trail races at Mt. Bachelor feature loop distances of 50K, 28K and 16K plus a Vertical Ascent 5K, each reaching the 9000' summit. The event offers marked courses, aid stations, chip timing, finish awards and a $10,000 50K prize purse.