Trail Running calendar near Cougar 2026-2027

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 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 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 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 last-one-standing backyard ultra where each completed loop adds $100 to a shared prize jar and the final payout is split 75% to the winner and 25% to the runner-up.

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.

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.

A community fundraiser on the Klickitat Trail offering a half marathon and 5K along scenic canyon walls, with shuttle service, aid stations, and volunteer support.

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 roughly 10K trail race in Squaxin Park with start and finish at Reeves Middle School, holiday-themed aid, finisher medals, and a tree planted per finisher.

A community running event in Camas on December 19, 2026 offering a 5k and a 10K trail run with post-race cookies, cocoa and a giveaway beanie.

Time-based trail running at Fort Steilacoom Park in Lakewood WA with 3, 6, and 8 hour options on a 5 mile loop.

A community fundraiser in La Center with 5K and 10K run/walk courses starting and finishing at La Center High School, awards, and a pancake breakfast supporting school teams.