Trail Running Calendar Oregon 2026-2027

Mountain trail races on Mount Bachelor over October 3–4, 2026, including 6/12/24-hour summit loops and three looped courses. Chairlift use is included and multiple aid stations and lodge facilities support runners on alpine singletrack.

A 25K trail race in Corvallis OR on October 4 2026, part of the Corvallis Trail Series with proceeds supporting local trail work and rescue and shoe assistance programs.

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.

Experience a unique trail run through the shaded single track of Bandon's forest. Choose from distances of 1.5, 5, or 10 miles on rolling loamy trails typically reserved for mountain bikers.

Trail event in Rainbow, Oregon offering 20K and 50K courses with major climbs, multiple aid stations, shuttle service for the 50K, drop bag support, and post race food.

First annual 5K on October 10, 2026 at North Clackamas Park Complex in Milwaukie on a flat mostly paved course with proceeds supporting local nonprofits.

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 three-day trail running event at Silver Falls State Park in Silverton, Oregon, offering distances from 5K to 50K. Registration opens Aug 1 and closes Oct 11, 2026, with fees that vary by race distance.

Trail races along the Upper Rogue River near Union Creek, Oregon, offering point-to-point 50 Miler and 50K races plus Half Marathon and 12K loop runs, with shaded singletrack, river canyons and a portion of proceeds supporting the Siskiyou..

Elk-Kings is a Tillamook Forest trail race series based at Smith Homestead offering a technical 25K summiting Elk and Kings, a 50K along the Wilson River Trail, and a new 11 mile point to point through river-side forest.

Looped 10K course near St. Paul OR on October 24, 2026 offering 50 mile, 50 km, 30 km and a kids 1 km run with cupless aid stations and set time limits.

A fall trail running weekend at Suttle Lake, Oregon featuring 24 hour, 12 hour and 6 hour timed races on a 3.6 mile loop, free on-site camping, provided food, and basic facilities with portable toilets.

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.

Trail races through Columbia River Gorge scenery with 25K point to point and a 50K loop, finishing at Marine Park in Cascade Locks.

A Halloween-themed ranch run near Sisters, Oregon with 5k, 5-mile, kids dash options, chip timing, costume contest, live music, and post-race non-alcoholic beverages.

Run The Rock in Smith Rock State Park near Bend Oregon features scenic loop trail races of 50K, 25K and a half marathon with significant elevation gain, single track sections, and aid stations.

A November loop trail event in Ashland OR offering marathon, half marathon, mini and 10k courses across pavement, single and double track, and dirt roads.

Multiple trail distances run near Frank Kinney Park in South Eugene, with five aid stations and organic course layouts. This event is the fifth race in the Run Big Trail Series.

Timed loop event in Mingus Park, Coos Bay offering 9-hour and 2-hour options on a 1.12 mile mixed-surface loop; entry is free.

Frozen Trail Run Fest at Howard Buford Park in Eugene features looped trail races from 5K to 50K with creek crossings, gravel sections, significant climbing, and staffed aid stations.