Trail Running Calendar Oregon 2026-2027

A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.

A 100K loop ultramarathon near Oakridge, Oregon, over high elevation single track trails with climbs over several peaks and views of Waldo Lake.

A 100 mile mountain trail race on Mt. Hood with a crew accessible lollipop loop, 17,300 feet of ascent and descent, staged at Mt. Hood Meadows.

11th annual trail race at Left Coast Estate on August 1, 2026, featuring 5K and 10K courses through oak savanna and vineyards, with proceeds funding oak savanna restoration.

A remote mountain ultramarathon near Sumpter, Oregon offering 53-mile and 50K trail courses with mandatory prior ultramarathon experience; registration includes shuttle, meal, finisher award, and fairgrounds camping.

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.

A six person relay near La Grande OR covering about 80.6 miles with 6000 feet of elevation gain across highway, gravel roads and a ski resort trail finish.

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 weekend of timed running in Salem with 24 hour, 12 hour, and 6 hour events on a 1.05 mile loop, with a staffed aid station and chipped timing.

At Tom Pence Ranch on Aug 8-9, 2026, the Boise Spartan Trifecta Weekend features Sprint, Super and Beast obstacle races, kids races, an obstacle workshop, and spectator access.

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 series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.

Mountain trail races at Mt. Hood Meadows on August 15-16 2026, featuring a 50K USATF Trail National Championship, multiple distances and a free kids race.

Trail half marathon in Hood River OR on August 22 2026 with about 2,300 ft of climb, two official aid stations, cupless support, and a finisher prize bag.

A community run and walk at Millicoma Marsh with a 5 km run, 2 km walk, post-race awards, and a stewardship event supporting the local marsh.

A multi day team relay from Mount Hood to the Pacific beaches where 8 to 12 teammates share running legs over roughly 196 or 128 miles.

Trail runs at Sunset Bay State Park offering a half marathon, 15K, 4-mile trail and 1-mile beach fun run along the Oregon Coast.

A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.

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 10K and 5K trail races along the Deschutes River and the Central Oregon Historic Canal Trail on September 5, 2026.