Trail Running calendar near Tualatin Mountains 2026-2027

Trail races at Mt. St. Helens Science & Learning Center feature 50K, 20 mile and half marathon loop courses with significant elevation gain and extensive singletrack. The event includes campsite facilities and a Friday community night with..

Trail races in the Central Washington Cascades in September 2026 featuring a 100 mile, a new 100 kilometer point to point, a 50 kilometer, and a 14 mile fun run across remote alpine ridges and old growth forest.

A 5 km cross country race on a Tillamook flower farm featuring mud pits, two river crossings, wood-chipped trails and a corn maze. Two open races are held the same day with combined results and youth and adult categories.

Don your favorite costume and explore the magical trails of Gabriel Park in Portland. This inaugural 5K run and walk features themed villain zones and a heroes village for a unique fantasy experience.

A 100 miles trail race on the Pacific Crest Trail between Mt. Hood and Mt. Jefferson, starting near Olallie Lake. The course has about 11,700 feet of elevation gain and loss, a 30 hour time limit, and a 150 runner capacity.

The Mook XC Invitational is a 5 km cross country race at The Mook at Alderbrook Golf Course in Tillamook, Oregon on September 19, 2026. The championship style course runs mostly on shortly clipped fairways and includes youth and adult categ..

Experience a premier cross country tradition at Camp Rilea on the Oregon Coast. Choose between four distinct courses featuring hills and water crossings designed for middle and high school runners.

Test your limits on this 5k course featuring 22 mission-inspired obstacles to support the fight against human trafficking. Enjoy a day of climbing, crawling, and live music in Happy Valley.

A trail running event on September 27 at the Teacup Ski Trail System with 7.5 km, a 2.2 km youth race and a 1.3 km kids race. The course mixes single track, forest roads and a climb back to the cabin finish.

A last person standing loop race on Hamilton Island in the Columbia River Gorge featuring a repeated *4.1 mile* loop, an aid station at start and finish, allowance for crews and a field limit of 125.

A non-profit trail race in Corvallis, OR covering a 25K route from the OSU Forestry Cabin through Peavy Arboretum. Registration includes a shirt and proceeds support local trail building, Corvallis Mountain Rescue Unit, and HOTV Sole Suppor..

Join the Sam Barlow High School Alumni Association for a 5K run or walk in Gresham. Younger participants can enjoy a 400m dash on the track and a virtual entry is available for remote supporters.

Experience the rugged beauty of the Tillamook Forest with technical mountain summits or scenic riverside trails. Choose between three distances spanning from 11 miles to 50 km in this classic Oregon rainforest event.

Experience the 16th annual trail running event at Silver Falls State Park featuring three different distances. Choose from a 50K marathon or 7 mile route through the scenic terrain of Silverton Oregon.

Autumn Leaves is an annual October loop race at Champoeg State Park near St. Paul Oregon offering 30K, 50K and 50 mile distances. The 10K loop is mostly paved with some dirt single track and is usually runnable in road shoes.

Two trail races at Coyote Wall across varied Gorge terrain, with **55K** and **25K** options, steep technical climbs, organized aid stations, and community fundraising for local organizations.

Experience the autumn beauty of the Columbia River Gorge with point to point and lollipop trail races. Runners traverse the Pacific Crest Trail and circle Thunder Island before finishing at the scenic Marine Park in Cascade Locks.

Flat, fast out-and-back trail races on the Willapa Hills Trail near Chehalis, WA, offering 5K up to 100 mile distances with aid stations and nonprofit-organized, low entry fees supporting trail maintenance.

A 7 mile single-track race from Dog Mountain Trailhead that climbs 3 miles and 3,000 ft to the summit, then descends 4 miles with views of the Columbia River, Mt Hood and Mt St. Helens. Awards, beer and pizza are provided.

A trail event at Silver Falls State Park on February 28, 2026 offering quarter and half marathon options plus a 12 mile ruck challenge. The ruck requires a 35 lb pack or 40 lb vest and courses use much of the Trail of Ten Falls.