Trail Running Calendar Oregon 2025-2026

Join the 12th annual Perpetua FatAss in Yachats, OR on January 10 2026 for free runs with distances from 9 miles to 50K, self supported with water at a few spots along the course. Finish with a relaxed potluck at Yachats Commons.

Run scenic trails around Henry Hagg Lake with 25K or 50K options, lakeside singletrack and gravel climbs for stunning views. CUPLESS aid stations, finisher socks and a lively post race party await, while the 50K enforces strict time cutoffs..

Celebrate Valentine's Day with Run Love Run in Newport, Oregon, featuring chip timing, a hand blown glass finisher medal and a red rose at the finish. Costumes are welcome and a chocolate fountain with sweet treats adds festive fun.

Run among the waterfalls of Silver Falls State Park on February 28, 2026 with options for a quarter marathon, half marathon, or a 12 mile ruck challenge. Routes loop the scenic Trail of Ten Falls featuring climbs, stairs and rugged terrain.

Mastondon is a 10ish mile early season trail run near Bend, Oregon on March 1 2026, rolling through juniper and high desert with mountain views. Expect a relatively flat course, one aid station, and post race food and beer.

Celebrate the 12th anniversary of the Alsea Falls Spring Fling on March 7 near Monroe Oregon with half marathon, 10K and 5K trail loops through fern lined Coast Range singletrack. Enjoy scenic forest running and small town charm.

Run across sand dunes, forest and beach at the Siuslaw Dunes Trail Runs in Honeyman State Park. Choose from 50K, 20 mile or 12K courses and help support Siuslaw High School cross country.

Run Wild Adventures hosts scenic trail races near Salem, Oregon, from 5K and 4.5 mile fun runs to marathon and 50K challenges. Enjoy race timing, photos, custom awards, a post race party with local craft beer and free raffles.

Run a scenic 4.5 mile loop at Silver Falls and do as many laps as you wish within six hours with lap timing and posted results. Trails offer about 430 feet of climb, an aid station, and postrace food and beer.

Run through McDonald Forest at OSU's Peavy Arboretum with 15K and 5K trail options on March 14, 2026, featuring single track trails, logging roads and early season mud. Proceeds support local high school athletes and youth running programs.

Experience the Owyhee Off Road Challenge on March 21 in Adrian, Oregon, racing across high desert trails with sweeping Owyhee and Snake River valley views. Choose a 55k, half, 10k or 5k and help support local schools and youth programs.

Run among blooming tulip fields at Wooden Shoe TulipFest in Woodburn, Oregon with a 5k, 10k, or half marathon across farm trails and nearby roads. Entry includes festival admission and expect varied terrain and possible mud.

Join the Mudslinger Trail Run in Blodgett, Oregon on March 28, 2026 for a half marathon through Starker Forests. Expect rolling hills, variable mud and a small field vibe as part of the Mudslinger Festival with only 100 spots.

Run the Incline Vista trail race in Redmond, OR and climb to Cline Butte for sweeping views of the Cascades, Smith Rock and the Ochocos. Choose a challenging 20 Mile or a runnable 15K across new connecting trails and varied singletrack.

Take on the Crown Stub 100, a 100 mile ultramarathon at Stub Stewart State Park on April 4, 2026, featuring about 7,000 ft of climbing across asphalt, gravel, and single track. Enjoy scenic trails, full aid stations, and a team relay option..

Run one to four 6.5 mile loops at L.L. Stub Stewart State Park to finish a 1/4, 1/2, 3/4 or full marathon on scenic rolling trails with varied climbs. Finishers get a Bivouac Racing winners mug plus post race food and beer.

Challenge yourself on scenic trails through the Columbia River Gorge in Cascade Locks with 30K, 50K and 100K options. The 100K is a Western States qualifier and all races carry a UTMB Index, with proceeds benefiting Trailkeepers of Oregon.

Peterson Ridge Rumble near Sisters, Oregon offers 40 mile, trail marathon and 20 mile routes on scenic Peterson Ridge and Metolius Windigo. Limited to 500 runners, proceeds support Sisters High School cross country and Sisters Trails Allian..

Run scenic river and ridge trails at Oxbow Regional Park near Portland on April 26, 2026, with 5k, 10k, and half marathon options. Limited to 150 runners, this trail race offers unique awards and a commemorative Oxbow cup.

Run the Firelane Trail Trial on May 2, 2026 in Forest Park Portland, a steep 4.45 mile out and back up Firelane 1 with challenging grades and a live feed at the turnaround. Finish with a post race gathering at Great Notion Brewing; field ca..