Trail Running Calendar Oregon 2025-2026

We have found 59 Trailruns in Oregon. Check below where and when you can find the races.

The Suttle Lake Trailfest, held near Sisters, Oregon, is a scenic trail running event featuring 24-hour, 12-hour, and 6-hour race options. Participants run on a 3.6-mile loop around Suttle Lake with 110 feet of elevation gain per lap. The course is a well-maintained, non-technical trail with a soft..

The Autumn Leaves 50 Mile event, held in St. Paul, Oregon, offers ultra runners a choice of 50-mile, 50K, and 30K distances, plus a free Kids Run. The course features a fast, flat 10K loop composed of 80% paved bike path and 20% dirt single track, suitable for road shoes.Runners complete multiple lo..

The Silver Falls Trail Runs, held at Silver Falls State Park in Silverton, Oregon, offer a variety of scenic trail races including a 5K, 7 Miler, Half Marathon, Marathon, and a challenging 50K ultra. The courses feature beautiful natural settings with elevation changes, mud, rocks, and creek crossin..

The Silver Falls 5K Trail Run is part of the Silver Falls Trail Runs event held at Silver Falls State Park in Silverton, Oregon. This scenic 5K course starts and finishes at the South Falls Day Use Area, beginning with a short paved road segment before transitioning onto a paved path leading to the..

The Silver Falls Trail Half Marathon takes place at Silver Falls State Park in Silverton, Oregon, offering one of the most scenic and beautiful trail running experiences on the West Coast. The course has been featured in Runner’s World and voted the best Oregon trail half marathon. Runners enjoy a c..

November 2025

Thunder River is a trail running event held in the Columbia River Gorge, Oregon, with races of 25K and 50K distances. Both courses are primarily point-to-point, featuring stunning fall scenery along the iconic Pacific Crest Trail and Gorge 400 trail. Runners pass under the Bridge of the Gods into Ca..

The Lithia Loop Trail Marathon, held annually in Ashland, Oregon, features a challenging loop course starting and finishing in Lithia Park. The marathon covers a mix of 2 miles of pavement, 3 miles of double track trail, 6 miles of single track trail, and 15 miles of closed dirt roads, with a total..

Run The Rock is a trail running event held at Smith Rock State Park and the Crooked River National Grasslands near Bend, Oregon. It features two loop-style races: a challenging 50K and a half marathon. The courses showcase stunning views of the Cascade Range, including Mt.Hood and Mt. Bachelor, and..

UTMB Index
February 2026

The Hagg Mud 50K/25K is an early-season trail running event held at Henry Hagg Lake in Scoggins Valley Park near Gaston, Oregon. Since 2001, it has attracted runners who enjoy muddy, challenging courses. Participants can choose between a 50K race, which involves two loops around the lake, or a 25K r..

March 2026

The Alsea Falls Spring Fling is an annual running event held at the scenic Alsea Falls Recreation Area near Monroe, Oregon, nestled in the lush Coast Range. Celebrating its 12th anniversary in 2026, the event offers three race distances: a half marathon, 10K, and 5K. Participants enjoy a challenging..

April 2026

Incline Vista is a trail running event held in Redmond, Oregon, featuring two distances: 20 miles and 15 miles. The race takes place on Cline Butte, a popular local landmark known for its panoramic 360-degree views of the Cascade Mountains to the west and Smith Rock and Ochoco Mountains to the east...

The Mudslinger Trail Run is a half marathon held in Blodgett, Oregon, as part of the Mudslinger Festival. This scenic trail run offers participants a unique experience through beautiful forest trails with a chance of rain and cool temperatures around 52°F. Limited to 100 runners, the event features..

The Peterson Ridge Rumble is a fun, low-key trail running event held near Sisters, Oregon, utilizing the scenic Peterson Ridge and Metolius-Windigo multi-use trails. The race offers three distances: 40 miles, a trail marathon of 27.8 miles, and 20 miles, all starting and finishing at Sisters Middle..

The Oxbow Trail Runs is a family-friendly trail running event held at scenic Oxbow Regional Park near Gresham, Oregon, about 30 minutes from downtown Portland. Scheduled for April 26, 2026, the race offers three distances: 5k, 10k, and a half marathon. The courses start and finish at the Alder Picni..

May 2026

Sisters Country is a spring trail running event held in Sisters, Oregon, featuring a 50K and a Half Marathon, both starting and finishing at Village Green Park. The 50K course offers stunning views of the Cascade Peaks, including the iconic Three Sisters, with 2,400 feet of elevation gain and loss,..

The Stumptown Trail Runs, held over Memorial Day weekend in Portland's Forest Park, feature a challenging 50K and a half marathon on scenic trails. Forest Park, a 5,200-acre urban forest with over 80 miles of trails, offers runners a chance to experience the iconic Wildwood Trail and lesser-known pa..

The Cline Buttes Last Person Standing is a unique endurance running event held in Redmond, Oregon, featuring a challenging 3-mile loop course with an 800-foot climb to the top of Cline Butte and a scenic descent. Participants can choose from various time-based events including 3, 6, and 12-hour runs..

The Smith Rock Classic is a springtime trail running event held near Terrebonne, Oregon, at Skull Hollow, showcasing the stunning Smith Rock State Park and surrounding Crooked River Grasslands. It offers three race distances: 50 miles, 50K, and 10 miles. The courses feature rugged high desert terrai..

July 2026

The Elkhorn Crest 50 is an ultra running event held in Sumpter, Oregon, featuring two main distances: a 50-mile race and a 50K. The 50-mile course traverses the Elkhorn Mountain ridgeline through sub-alpine forests and grasslands, offering stunning panoramic views of Baker Valley, the Wallowas, and..