Trail Running calendar near Southeast Portland 2025-2026

The Dark Divide Trail Races, held near Randle, Washington, offer challenging ultramarathon events through the rugged and remote Dark Divide Roadless Area in the Central Washington Cascades. The 2025 event includes a 100-mile race, a new 100K point-to-point course, a 50K, and a 15-mile fun run, all s..

The Ultimook Race Open 5k is a unique cross-country running event held in Tillamook, Oregon, on a premier flower farm. The 5-kilometer course features diverse terrain, including a mud pit, two river crossings, wood-chipped trails, a corn maze, and fields of flowers, offering runners a challenging an..

Backcountry Rise in Toutle, Washington, is a stunning trail running event set in the Mt. Margaret Backcountry within the Mount St. Helens National Volcanic Monument.The race offers three challenging loop courses: a 50K, 20-mile, and half marathon, featuring rugged singletrack trails with significant..

The Three Course Challenge is an annual cross-country event held at Camp Rilea in Warrenton, Oregon. This unique competition features three distinct courses designed to test athletes' endurance and mental toughness, incorporating various terrains such as grass, dirt, and sand, along with challenging..

Cloud Cap is a mountain running event held at Cooper Spur Ski Area on Mt. Hood, Oregon, featuring marathon and half-marathon distances. The courses offer a scenic and challenging tour of Mt.Hood’s northern slopes, traversing the historic Cloud Cap-Tilly Jane District. The marathon is a double-loop,..

Mountain Lakes 100 is a scenic 100-mile trail running race held at Olallie Lake, Oregon. The course features rugged, technical terrain with rocky sections and stunning mountain views, including 60 miles along the Pacific Crest Trail. Runners pass dozens of lakes, showcasing some of Oregon's best tra..

The Crown Stub 100 is a challenging ultramarathon held at Stub Stewart State Park in Buxton, Oregon, known for its scenic beauty and outdoor adventure opportunities. The 100-mile course features over 10,000 feet of elevation gain and traverses a mix of surfaces including asphalt on the Banks Vernoni..

Lastest Not Fastest is a unique last-person-standing trail race held on Hamilton Island in the scenic Columbia River Gorge, Washington. Participants run a 4.13-mile loop with minimal elevation gain (103 feet) along flat trails featuring river views, forested areas near Bonneville Dam, and a small hi..

The Condor 25K Trail Run is a scenic trail race held in Corvallis, Oregon, featuring a 25-kilometer course through the area's extensive trail network. As part of the Corvallis Trail Series, the event promotes trail running and supports local races. The course is updated regularly and offers runners..

The Stub Stewart Trail Challenge is a versatile trail running event held at L.L. Stub Stewart State Park in Buxton, Oregon. Scheduled for October 5, 2025, it offers four distance options: quarter marathon (6.5 miles), half marathon, three-quarter marathon, and full marathon, all run on a challenging..

Angel's Rest is a trail running event held in the scenic Columbia River Gorge near Cascade Locks, Oregon, featuring distances of 50K, 20 miles, and 10K. The courses showcase iconic landmarks such as Multnomah and Wahkeena Falls, with routes traversing challenging trails, stream crossings, and stunni..

The Klickitat Trail Run, held in Klickitat, Washington, is a nonprofit fundraising event featuring a half-marathon and a 5K run/walk along the scenic Klickitat Trail next to the Klickitat River. The half-marathon is a point-to-point course starting in Lyle, with a medium technical trail featuring ro..

The Mt. Tabor Tar 'n' Trail is a fundraising running event held in scenic Mt. Tabor Park, Southeast Portland, Oregon.It features a 10K run, a 5K run/walk, and a 5K kids run for ages 12 and under. The courses are challenging and hilly, combining paved roads and dirt trails, hence the name "Tar 'n' Tr..

The Autumn Leaves 50 Mile is a fast, flat ultra running event held in St. Paul, Oregon, featuring distances of 50 miles, 50 kilometers, and a new 30K option. The course consists of an 10K loop with 80% paved bike path and 20% dirt single track, mostly runnable in road shoes.Runners complete multiple..

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 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..

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 Ruff is a challenging 7-mile trail race held at Dog Mountain Trailhead in Carson, Washington, within the scenic Columbia River Gorge National Scenic Area. The course features a steep 3-mile, 3,000-foot ascent to Dog Mountain's summit, followed by a 4-mile downhill run on single-track trails, off..

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..

The Mudslinger Trail Run is a half marathon held in Blodgett, Oregon, as part of the Mudslinger Festival. The event features a scenic trail course through the beautiful local terrain, offering runners a unique outdoor experience. Limited to 100 participants, the race encourages both solo runners and..