Trail Running calendar near Clackamas Lake 2026-2027

We have found 66 Trailruns within 80 miles of Clackamas Lake. See below where and when you can find the races.

A 3.1 mile obstacle course featuring 22 symbolic stations that represent the journey from captivity to liberation. Proceeds support the Path to Freedom Project and organizations that assist survivors of human trafficking.

Mission Possible at Willamette Mission State Park on 26 September 2026 offers chip-timed 5K and 10K trail races plus accessible All Abilities 2.25-mile and 1.6-mile loops, with volunteers on course and post-race pancakes and snacks.

A trail running event at Teacup Ski Trail System on Sept. 27 with a new course and three distances, including youth and kids races. The route features lake views, varied terrain, one water station, and on-site parking and restrooms.

A low-key evening trail race series in Forest Park with three five-race Series from April to October, featuring hilly courses of about 4 to 7 miles. Series standings require at least four races and the event benefits the Forest Park Conserv..

October 2026

A last person standing trail race on Hamilton Island in the Columbia River Gorge where runners repeat a 4.13 mile loop each hour and must finish each loop in under 60 minutes to continue until one runner remains.

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.

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.

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.

Mountain trail event near Rainbow, Oregon offering 50K and 20K routes with multiple summits, extensive climbing, aid stations, shuttles, drop bags, and postrace food.

A low-key evening trail race series in Forest Park with three five-race Series from April to October, featuring hilly courses of about 4 to 7 miles. Series standings require at least four races and the event benefits the Forest Park Conserv..

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.

Annual October ultrarun at Champoeg State Park with 30K, 50K and 50-mile options on a mostly paved 10K loop. Cupless event with two aid stations and defined pacer rules for the ultras.

Trail running at Suttle Lake near Sisters, OR with 24 hour, 12 hour and 6 hour timed races on a 3.6 mile loop. Free camping, a stocked aid station, a warming tent, and specific pacer rules are provided.

A low-key evening trail race series in Forest Park with three five-race Series from April to October, featuring hilly courses of about 4 to 7 miles. Series standings require at least four races and the event benefits the Forest Park Conserv..

A trail race day on October 31, 2026 in Cascade Locks, Oregon featuring a 25K point to point and a 50K lollipop course along the Pacific Crest Trail and Gorge 400 trail, finishing at Marine Park with aid stations, timing, and post race awar..

A Halloween themed ranch run in Sisters, OR offering 5k run and walk, a 5 miler, and a kids dash, with chip timing, costume contest, swag, live music and post race non alcoholic refreshments.

November 2026

Run The Rock is a weekend of loop trail races on November 7 and 8, 2026 at Smith Rock State Park near Bend, Oregon, featuring 50K, a new 25K, and a half marathon with extensive single track and mountain views.

Point to point half marathon and 5K on the Klickitat Trail, based at the Youth Center in Klickitat. The medium technical course has aid stations, drop bags, shuttle buses to start locations, and post race chili for registered participants.

A 7 mile single track trail race up Dog Mountain with about 3000 ft of ascent to the summit and a 4 mile descent. Scenic Columbia River and mountain views are part of the course; well behaved dogs are welcome.

February 2027

Trail ultraruns around Henry Hagg Lake near Gaston, Oregon, offered as a 50K (two laps) and a 25K (one lap). Single-track, muddy trails with gravel sections, cupless aid stations, finisher socks and prizes for top finishers.

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