Trail Running Calendar Oregon 2026-2027

A loop ultramarathon around Waldo Lake that starts and finishes at Willamette Pass Ski Area near Oakridge, Oregon. The mostly single track course climbs several peaks and includes remote trail sections and lake views.

Hood Hundred is a 100 mile mountain trail race on Mt Hood staged at Mt Hood Meadows. The lollipop loop course includes 17,300 feet of ascent and descent, is a Western States qualifier, and has a 34 hour cutoff.

Run for the Oaks at Left Coast Cellars in Rickreall Oregon offers on site and virtual 5K and 10K options. The event supports an Oak Savanna Restoration Project and includes wine tasting and finishers' glassware.

A remote mountain ultramarathon in Sumpter, Oregon offering 50 mile and 50K options along the Elkhorn ridgeline with high elevation, technical terrain, cupless support, mandatory safety gear, and specific entry requirements.

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 6,000 feet of climbing, gravel mountain roads, and a high point near 7,400 feet. Tiered registration runs through July 11.

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.

Timed 24 hour, 12 hour, and 6 hour runs on a 1.05 mile loop at Bush's Pasture Park in Salem, Oregon. The event features chipped timing, a single aid station, and a participant cap.

Spartan Trifecta Weekend at Tom Pence Ranch offers Sprint, Super and Beast obstacle races on rugged high desert terrain, plus kids races, a Hurricane Heat four hour event and an obstacle workshop.

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 Wednesday evening trail race series in Forest Park, Portland, with three seasonal five-race Series and hilly courses of about 4–7 miles. The Series supports the Forest Park Conservancy and includes standings and a post-series gath..

A two day mountain trail running weekend at Mt Hood Meadows on August 15 and 16 2026, with alpine courses reaching 8,000 feet and distances from a 50 Miler to a free kids run. The 50K is the 2026 USATF 50K Trail National Championship.

A trail half marathon in Hood River with about 2,300 ft of climb, two official aid stations, and scenic views into Oregon and Washington. The cup free event requires a 24 oz minimum water bottle and includes finisher prize bags and bonus pr..

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 Wednesday evening trail race series in Forest Park, Portland, with three seasonal five-race Series and hilly courses of about 4–7 miles. The Series supports the Forest Park Conservancy and includes standings and a post-series gath..

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.

A mountain trail event on September 12, 2026 at Mt. Bachelor with loop races to the 9000' summit, distances from a Vertical Ascent 5K to a 50K, and a $10,000 prize purse for the 50K.

A low-key Wednesday evening trail race series in Forest Park, Portland, with three seasonal five-race Series and hilly courses of about 4–7 miles. The Series supports the Forest Park Conservancy and includes standings and a post-series gath..

A 50K and a half marathon near Sisters Oregon with routes that showcase views of the Three Sisters and other Cascade peaks. The 50K reaches the Three Sisters Wilderness edge while the half marathon is point to point with a net downhill.

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..