Trail Running calendar near Dundee 2026-2027

A 100 mile ultramarathon at Stub Stewart State Park on April 4th 2026, featuring 7,000 feet of gain across asphalt, gravel, and single track, 13 aid stations, a 32 hour limit, and an Ultra Relay option with exchange rules.

Trail running event in Marcola Oregon on April 4 2026 offering 50K, 25K, 10K and 5K distances. Fees vary by age and an optional tech shirt is available for $18.

Run a flexible loop challenge at L.L. Stub Stewart State Park. Choose your distance on race day from the Quarter to the Full Marathon on varied, non-monotonous trails. Finish to receive a unique mug and celebrate at the post-race gathering.

An evening trail race series in Forest Park, Portland held in spring, summer and fall. Each five-race Series features marked hilly courses of about 4 to 7 miles, Series standings for regular participants, and a post-series awards party.

A three day trail running event in the Columbia River Gorge featuring 100K, 50K and 30K distances, chip timing, stocked aid stations and a $75,000 prize purse. The event is staged at Marine Park in Cascade Locks with Thunder Island camping..

Experience a scenic 5k through Portland’s Mt. Tabor Park featuring varied terrain and trails. This dog friendly community event supports local student scholarships and athletic facilities.

The Mudslinger Trail Run is a half marathon on the scenic trails of Blodgett, Oregon. As part of the Mudslinger Festival, runners can also tackle the Ultimate Mudslinger by combining it with a mountain bike race. Registration is limited and..

Experience the beauty of the Sandy River and Ancient Forest at the Oxbow Trail Runs near Portland. Choose from 5k, 10k, or Half Marathon distances in a scenic regional park for a day of nature and community.

Test your hill skills in this 4.45 mile time trial at Forest Park. Experience a steep out and back course on Firelane 1 followed by a live results viewing party at a local brewery.

Celebrate the 30th running of the McDonald Forest 50K. This classic Oregon trail run is organized by the non-profit Corvallis Area Trail Runners. Enjoy a community-supported event on the scenic trails of McDonald Forest.

Join this unique timed event at Linfield University featuring distances from 1 to 12 hours and a creative Bingo Run. Complete loops on a dirt trail course to support local charities in a supportive community atmosphere.

A spring trail running event in Oregon’s Tillamook State Forest offering 50 mile and 55K races plus a two-day double, staged at historic Reehers Camp with marked single-track courses and staffed aid stations.

Join this annual run and walk through the scenic habitat of the Columbia Whitetail Deer in Skamokawa. Support local youth programs by choosing from 10k, 5k, or 2 mile distances with your favorite canine companion.

Join this 2.62 mile event at Frenchman's Bar Regional Park in Vancouver for a flat out and back course on a paved trail. Walkers, rollers, and runners are all welcome to participate in person or virtually.

Trail races in Portland’s Forest Park over the Memorial Day weekend, featuring a 50K with nearly 4,000 feet of climb and a hilly half marathon; proceeds benefit the Forest Park Conservancy and finishers receive a pint glass and postrace foo..

Run for the Hills offers scenic trail races and family-friendly runs in Corvallis. Choose from a challenging 30k or 8k trail course, a paved 2-mile walk/run, or a kids fun run. Proceeds benefit the Greenbelt Land Trust trail fund.

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.

Experience the original adventure run at Mt Hood with a roughly 6 mile course through rugged terrain. Enjoy legendary camping near the start and finish at White River West Sno Park.

Run a scenic loop course along the Columbia River in the Columbia River Gorge National Scenic Area. Choose from a 10K, 50K, 100K, or 100-mile challenge on mixed dirt and gravel trails. The event features a central aid station and a 30-hour..

Point to point trail race on ridgelines around Mt Hood offering 50 mile, 50 kilometer, and a 50K relay. Courses are net downhill with substantial elevation change and shuttles from Red Barn Park.