Trail Running calendar near Buxton 2026-2027

A five-race cross country series in Portland parks with separate men’s and women’s races, options for non-binary entrants, race distances of 5K 6K and 8K, and both series and individual registration fees.

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 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.

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.

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.

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 10 km course in St. Paul OR offering 50 mile, 50 km, 30K and a free kids 1K with aid stations, pacer rules, and inclusivity and deferral options.

A Halloween-themed race day at Pacific Community Park featuring youth and community 2k–5k courses on grass and compact trail, with medals and holiday prizes.

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.

Willapa Trail Festival in Chehalis WA offers flat gravel trail races from 5K to 100 miles on the Willapa Hills Trail with multiple aid stations and low entry fees.

The Ruff is a 7 mile trail race on Dog Mountain in Carson, WA with a 3 mile, 3000 ft climb and a 4 mile single track descent offering river and mountain views.

A community holiday running event in Camas on December 19, 2026 featuring a 5k and a Dirty Santa 10k trail run, with post-race cookies, cocoa and a visit from Santa.

A fundraiser in La Center with 5K and 10K run/walk courses that start and finish at La Center High School, followed by a pancake breakfast benefiting the high school volleyball program and awards for top finishers.

Single track ultraruns around Hagg Lake near Gaston OR offering 50K and 25K loops with aid stations, cupless support, awards, and inclusivity programs.

Scenic trail races through the Columbia River Gorge staged at Marine Park in Cascade Locks, offering 100K, 50K and 30K distances, on-site Thunder Island camping, chip timing, stocked aid stations, and a $75,000 prize purse.

A half marathon on the trails around Blodgett, Oregon that is part of the Mudslinger Festival and can be combined with the XC mountain bike race for combined scoring.