Trail Running calendar near Olallie Lake 2026-2027

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 ultramarathon events on a one-mile loop at Bush's Pasture Park in Salem, Oregon, with chip timing, a single stocked aid station, spectator access, and organizer-provided caps.

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 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 Post Canyon near Hood River OR on August 22, 2026, featuring about 2,300 feet of elevation gain, two official aid stations, a cupless policy and mandatory water carry, with finisher prize bags and random bonus prize..

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 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 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.

Trail races in Sisters, Oregon offering a 50K and a half marathon with extensive single track sections and mountain views of the Three Sisters. The 50K has multiple stocked aid stations; the half has one aid station and a net 1500 ft downhi..

A 100 miles trail race on the Pacific Crest Trail between Mt. Hood and Mt. Jefferson, starting near Olallie Lake. The course has about 11,700 feet of elevation gain and loss, a 30 hour time limit, and a 150 runner capacity.

A 3.1 mile obstacle course in Happy Valley with 22 symbolic obstacles supporting Guardian Group’s work against human trafficking, featuring live music, food carts, and an event T-shirt for registered participants.

At Willamette Mission State Park, Mission Possible offers chip-timed 5K and 10K trail races plus accessible 2.25- and 1.6-mile All Abilities loops, volunteers on course, and post-event pancakes; part of fees support the All Abilities event.

A trail running event on September 27 at the Teacup Ski Trail System with 7.5 km, a 2.2 km youth race and a 1.3 km kids race. The course mixes single track, forest roads and a climb back to the cabin finish.

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 last-person-standing event on a 4.1-mile loop at Hamilton Island in the Columbia River Gorge, featuring hourly waves, an aid station at the start/finish, crew-friendly support, and a 125-runner capacity.

The 34th Annual OXFORD Classic in Bend adds a Community 5K at Drake Park on 10/03/2026. The flat loop follows the Deschutes River on grass and paved paths and registration is free.

A weekend of alpine trail races on Mount Bachelor in Central Oregon, with timed summit loops and multiple distance options. Events use lodge facilities and the Pine Marten Chairlift, and include staffed aid stations and on-site parking.

A 25K trail race in Corvallis based at the OSU Forestry Cabin, part of the 2026 Corvallis Trail Series. Entry includes a race shirt, proceeds support local trail work, Corvallis Mountain Rescue Unit, and a shoe assistance program.

An in-person and virtual event on October 4, 2026 in Gresham featuring a 5K, a kids dash for ages eight and under, and a virtual run/walk. Registration opens in April and fees vary by event.

Trail races in Rainbow, Oregon offering a 20K and a 50K with more than 8,000 feet of climbing, old growth forest, and summit views. Shuttle service, multiple aid stations, and food at the finish are provided.