Trail Running Calendar Oregon 2026-2027

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 80.6-mile, six-person relay near La Grande, OR, featuring river-side highway sections, 20+ miles of gravel mountain roads, about 6,000 feet of elevation gain, and a finishing trail leg at the Anthony Lakes ski area.

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.

A timed weekend event in Salem, Oregon offering 24 hour, 12 hour and 6 hour formats on a 1.05 mile mixed surface loop with chip timing and a single aid station. The course runs from Bush's Pasture Park with nearby parking and spectator acce..

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 with about 2,300 ft of elevation gain, two official aid stations, a cupless format, and finisher prize bags. The course starts and finishes at Binns Hill Staging Area and does not allow pets or earbuds..

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

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.

A point to point 50K on the Pacific Crest Trail from Stabler to Bonneville Hot Springs in Washington. The singletrack course includes a detour to Three Corner Rock for expansive views and benefits local high school cross country and the PCT..

PDX 50 50 in Portland offers two route options: a roughly 50K course measured at about 31.5 to 32 miles and a longer roughly 53 mile option. The unsupported route is mostly flat with a technical mile in Forest Park and no course markings.

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 trail race day in Sisters, Oregon on September 19, 2026, featuring a scenic 50K to the edge of the Three Sisters Wilderness and a point to point half marathon with a net downhill. Proceeds support the Sisters Trail Alliance.

Mountain Lakes 100 is a 100 miles trail race on the Pacific Crest Trail between Mt Jefferson and Mt Hood near Olallie Lake Resort, featuring about 11,700 feet of elevation change, limited to 150 entrants, and with manual aid-station trackin..