Trail Running calendar near Pleasant Hill 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.

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.

Celebrate the 12th Alsea Falls Spring Fling with half marathon, 10K and 5K routes through fern covered Pacific Northwest forest near Monroe, Oregon. Scenic loop trails offer a classic trail running day for all paces.

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 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.

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.

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 a scenic 50K through OSU's McDonald Forest in Corvallis, on flowing singletrack amid dogwood and orchid blooms with sweeping Cascade views. This intimate race marks its 30th running and raises funds for local cross country teams and mou..

Sisters Country on May 3 in Sisters OR hosts 50K and half marathon on scenic single track trails at Village Green Park. With manageable climbs, stocked aid stations and a burrito and beer finish, ideal for first time trail runners.

Run laps on a flat 1.05 mile loop through scenic Elijah Bristow State Park, choosing 24 hour, 12 hour day, 12 hour night, or 6 hour time based challenges. Reach 100 miles to earn a buckle. Camping, crew space, and an aid station keep things..

Oakridge Triple Summit Challenge in Oakridge OR, June 12 to 14, 2026, is a three day stage trail race with a combined 60k option and 28k, 17k, 15k plus a kids 1 mile. Rugged single track, summit views and post run food and drinks.

Join the Marys Peak Trail Run in Blodgett Oregon for panoramic climbs to Marys Peak with 25K, 50K and a new 100K option, all on private forest singletrack. Limited to 300 runners, expect rugged views, aid stops, swag and post race food.

Experience waterfalls, lava flows and old growth forest on the scenic 31 mile McKenzie River Trail Run near Blue River, Oregon on June 13, 2026. Proceeds support McKenzie Bridge area non profits and aid stations keep runners fueled.

Alpine Solstice on June 20, 2026 at Swampy Lakes Sno Park near Bend Oregon offers scenic trail running through the Deschutes National Forest. Choose a new 55K past Tumalo Falls with Cascade peak views or a half marathon along Cascade Lakes..

Tackle the Oregon Cascades 100, a point to point trail run from Bend to Sisters with 100 and 50 mile options through scenic single track and rugged terrain. The 100 mile is a Western States qualifier and awards a finisher buckle.

Join the 10th annual Hoodoo Challenge Run To The Top on Saturday July 25, 2026 at Hoodoo for a scenic climb to Potato Hill. Pick a half marathon or a 5K to the summit, then enjoy a hosted lunch and the awards ceremony.

Run for the Oaks is a scenic trail day at Left Coast Estate with 5K and 10K routes through vineyards and old growth oak savanna. Finish with wine tasting, live music, and help fund oak restoration.

Run through Ponderosa pines, alpine meadows and mountain streams in Three Sisters Skyline, a scenic trail race near Sisters, Oregon with 50K and half marathon options. Both courses finish in town and benefit the Sisters Trail Alliance.