Trail Running Calendar Oregon 2026-2027

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 five-week trail race series at Mt Pisgah in Eugene from May 21 to June 18, hosted by Big Timber Running Club. Distances range from 3 to 8 miles, courses are marked, parking permits are required, and the series ends with awards and a party..

A self paced summer challenge in Central Oregon from May 22 to October 1, 2026 where participants summit nine buttes and redeem a free pint at each sponsored brewery. A single butte Micro Challenge is also available.

A nighttime loop race at Cline Buttes in Redmond Oregon offering 3, 6, and 12 hour options, a Last Person Standing format, and a one-loop 5k. The 3 mile loop includes a 0.5 mile 800 foot climb and a single aid station.

Trail races in Portland's Forest Park over Memorial Day weekend, featuring Portland's only 50K and a trail half marathon. Routes include the Wildwood Trail and other park trails with significant elevation gain.

Half Marathon, 5 Mile, 5K and a free 1 Mile kids run in Joseph City Park, Oregon on May 23, 2026. The half marathon climbs from about 4200 to 5100 ft with aid stations and mountain views.

Ridgeline Ramble in Eugene on May 23, 2026 features **20K** and **10K** trail races on the Ridgeline Trail with shuttles, aid stations, gear transport and age group awards.

Trail races of 10 mile, 50K, and 50 mile around Smith Rock State Park and the Crooked River Grasslands with significant elevation change, single track sections, and multiple aid stations.

Trail running event near Klamath Falls offering 50K, 30K, half marathon and 5 Miler on mostly single track trails with multiple aid stations and nearby lodging options.

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..

Run through single track forest trails and across rustic bridges at Timothy Lake. This Oregon trail event offers marathon and half marathon distances with scenic views of Mt. Hood in the Cascade Mountains.

A timed trail event at Elijah Bristow State Park where runners repeat a 1.05 mile loop for set time limits. Options include 24 hour, 12 hour day, 12 hour night and 6 hour races with a staffed aid station each lap.

Dirty Half is a 13.1 mile trail half marathon near Bend, Oregon on June 6, 2026, with finisher prizes, awards by division, post race food and beer, and technical long sleeve shirts whose proceeds support the Deschutes Land Trust.

An uphill event in Ashland, OR featuring a 13.3 mile course that gains one mile of vertical to Mt. Ashland summit, with mountain bike and hike options. Race fees include a shirt, lunch, and beer and funds support local trail nonprofits.

Run for the Hills in Corvallis on June 7, 2026 features trail races of 30K, 8K, a 2 mile and a 1/4 mile kids run. Proceeds support the Greenbelt Land Trust Trail Fund and the event has raised over $85,000 in 17 years.

A three day stage trail running event in Oakridge, Oregon featuring a 60k stage race plus 28K, 15K, 17K and a kids mile. Courses start and finish at Greenwaters Park with camping, aid stations, daily lunches, awards and limited dog entries.

Trail races on June 13, 2026 in Blodgett, Oregon at Marys Peak with 100K, 50K and 25K options. The courses go through dense forest and varied terrain, feature multiple aid stations, a 300 runner cap, and an 18 hour limit for the 100K.

A 31 mile 50K on the McKenzie River Trail near Blue River Oregon, featuring waterfalls, Clear Lake and Tamolitch Pool. The route follows 21 miles of river trail to the finish with aid stations every 4 to 6 miles and shuttle service included..

Scenic 5K and 10K runs along Columbia River trails in Umatilla on June 13, 2026 that support the Providence Cancer Institute, with a community-minded post-race celebration featuring music, vendors, family activities, and finisher medals.

An adventure race on June 14, 2026 at White River West Sno Park near Mt Hood, Oregon, featuring a roughly 6 miles off road course, advance registration, a $50 entry fee, and camping near the start and finish.