Trail Running calendar near Cottage Grove 2026-2027

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..

A 50K trail ultramarathon in OSU’s McDonald Forest featuring smooth singletrack, scenic May views and a pine-needled downhill finish, limited to 300 runners and including a hoody and socks with entry.

Lost Creek Trail Runs at Joseph H. Stewart County Park features 30K, 10K and 5K loop courses around the lake. Packet pick-up is at picnic area C on race day and registration closes April 30.

Experience the natural beauty of Oregon on the paved Row River Trail featuring historic covered bridges and forests. Choose between a 10K out and back or a point to point half marathon with a net downhill elevation.

A five week trail race series at Mt Pisgah in Eugene with five Thursday races from May 21 to June 18. Courses range from 3 to 8 miles across varied trails, with weekly raffle prizes and a post series awards gathering.

Ridgeline Ramble is a trail running event in Eugene on May 23, 2026, offering 20K and 10K courses from Blanton Trailhead to Frank Kinney Park. The event includes shuttle service, multiple aid stations, and awards for overall and age group f..

A timed trail event at Elijah Bristow State Park where runners repeat a 1.05 mile loop for set time limits. Options include 24 hour, 12 hour day, 12 hour night and 6 hour races with a staffed aid station each lap.

A community trail event in Corvallis offering 30K, 8K, a 2 Miler and a 1/4 mile Kids Run, with routes through Bald Hill and Fitton Green. Proceeds support the Greenbelt Land Trust Trail Fund and same-day registration is available.

A three day stage trail event in Oakridge, OR offering a full 60k stage race or single stages of 28K, 15K, 17K and a kids mile. The event uses forest singletrack and gravel trails, offers camping and has dog friendly rules.

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.

A 31 mile 50K trail ultramarathon along the McKenzie River near Blue River Oregon, passing waterfalls, Clear Lake and Tamolitch Pool. Aid stations occur every 4 to 6 miles and the event is cupless with shuttle service included.

Lowells Loop is a Last Man Standing event in Pleasant Hill Oregon where runners must complete a 5 mile road loop every hour. Participants continue until only one runner remains with proceeds benefiting St. Jude Children Hospital.

Experience a team relay through the rugged peaks and alpine lakes of Oregon’s Willamette Pass. Choose between full relay or sprint formats while enjoying a vibrant race village and stunning views of the Cascades.

Mud Factor in Eugene is a 5K mud obstacle run at Eugene MX Park in Junction City on June 27, 2026. The event includes Kidz family and adult waves, requires a signed waiver and photo I.D. for adults, and charges a $10 cash spectator fee for..

Test your discipline in a 6 hour trail challenge where you must complete a 5k every hour to stay in the race. Pacing and grit are key to finishing all six laps at Mt. Pisgah.

Hardesty Hardcore on July 26, 2026 near Oakridge Oregon offers two single track trail races, 14 mile and 5.5 mile. The 14 mile climbs and descends 3300 feet and has a four hour limit while the shorter course uses a shuttle.

Waldo 100K is a 100K loop ultramarathon near Oakridge, Oregon that starts at Willamette Pass Ski Area and climbs multiple mountains over remote single track trails with views of Waldo Lake. The event participates in a Trail to Zero carbon o..

Run for the Oaks is a 10th annual trail race through the vineyards and oak savannas of Oregon's Left Coast Estate. Proceeds support the Oak Savanna Restoration Project. The event includes wine tasting, live music, and a scenic course for ru..

A tenth annual timed ultramarathon at Bush's Pasture Park in Salem, Oregon offering 24 hour, 12 hour and 6 hour looped events on a roughly one mile mixed surface loop with a single aid station and chip timing.

Trail races at Sunset Bay State Park near Coos Bay on August 29, 2026 include a half marathon, 15K, 4 mile trail and 1 mile beach fun run on a hilly coastal course with aid stations and awards.