Trail Running Calendar Oregon 2025-2026

We have found 62 Trailruns in Oregon. Check below where and when you can find the races.

Mt. Tabor Tar 'n' Trail is a fundraising running event held at scenic Mt. Tabor Park in Southeast Portland, Oregon.The race offers a 5K run/walk, a 10K run, and a kids’ 5K, benefiting the Friends of Mount Tabor Park. The course winds through the park's three marked trails—the Red, Green and Blue—fea..

Giddy Up 5K/5Miler Ranch Run is held at Pole Creek Ranch just outside Sisters, Oregon. It offers a 5k run, 5k walk, a 5-mile option, and a FREE Buckaroo Run for kids ages 2–10. The course travels on packed gravel and dirt roads through the ranch, with panoramic views of the Three Sisters Mountains;..

DDLM Endurance Run is a multi-distance ultramarathon held at South Beach State Park in South Beach, Oregon, October 24–26, 2025. The event features 48-hour, 48-hour Team Relay, 24-hour, 24-hour Team Relay, 12-hour, and 6-hour formats for solo and team participants, all run on a single loop course of..

The Suttle Lake Trailfest, held near Sisters, Oregon, is a scenic endurance running event featuring 24-hour, 12-hour, and 6-hour races on a 3.6-mile loop trail around Suttle Lake. The course offers a well-maintained, non-technical trail with a soft forest floor and gentle elevation gain of 110 feet..

Autumn Leaves 50M/50K/30K takes place in St. Paul, Oregon, at Champoeg State Heritage Area. It offers 50‑mile, 50‑km, and 30‑km races, plus a Kids Run.The course uses a 10K loop: 80% paved bike path, 20% dirt single track; flat with small rollers and built for speed, runnable in road shoes. Headlamp..

Silver Falls Trail Runs take place at Silver Falls State Park in Silverton, Oregon, offering a choice of 5K, 7 Miler, half marathon, marathon, and 50K ultras. Set in one of Oregon’s most scenic parks, the courses thread under and beside ten stunning waterfalls, with the 5K visiting two falls and the..

Silver Falls 5K Trail Run is held in Silver Falls State Park, near Silverton, Oregon. The race covers a 5K on park trails, offering a scenic, wooded course for trail runners. Described as a Halloween Friday evening event, this is the 15th annual edition, with registration opening August 1, 2025.It i..

November 2025

Silver Falls 50K, Marathon & 7 Miler is a trail-running festival held Saturday, November 1, 2025, at Silver Falls State Park in Silverton, Oregon. The event offers three trail races—50K, Marathon, and 7 Miler—on the park’s scenic trails. It is promoted as one of the largest trail-running events in t..

The Lithia Loop Trail Marathon, held annually in Ashland, Oregon, is a challenging trail race featuring marathon, mini-marathon (13.1 miles), and 10K distances. The course starts and finishes in Lithia Park, circumnavigating the Ashland watershed with approximately 7,200 feet of elevation change ove..

Run The Rock is a loop-style trail race held at Smith Rock State Park and the Crooked River National Grasslands near Bend, Oregon. The event takes place November 8-9, 2025 and includes a 50K and a half marathon. The beneficiary for the event is the Ridgeview High School cross country team. The race..

UTMB Index

Thunder River is a trail running event staged at Marine Park in Cascade Locks, Oregon, on November 8, 2025. The event offers two distances: 50K 25K Both courses run through the Columbia River Gorge area and include sections of the Pacific Crest Trail and the Gorge 400 trail. Runners pass under th..

Battle to the Pacific is a running event held at Fort Stevens State Park near Hammond, Oregon, along the scenic Oregon coast. The race features multiple distances including a 5K, 1/4 marathon, 1/2 marathon, and a unique 12-mile Ruck Challenge, which involves carrying a 35-pound pack. The course is m..

December 2025

Salem 50k debuts December 6, 2025 at Bush Park in Salem, Oregon. The looped course stays entirely in the park: a 3.33 km loop, about half asphalt and half gravel or dirt, with two climbs and roughly 120 feet of elevation per loop. Races offered: 50k (15 loops), 30k (9 loops), and 10k (3 loops).Aid i..

January 2026

Perpetua FatAss is on the Oregon Coast in Yachats, Oregon. The event offers multiple distances: 50K, 30K, 20K, and a 9-mile option, with route maps and GPX files available for planning. The atmosphere emphasizes community and simplicity—no entry fee, no medals, and a self-supported trail run along c..

February 2026

Hagg Mud 50K/25K is an early-season trail race near Gaston, Oregon, starting at Henry Hagg Lake in Scoggins Valley Park. The event offers 50K and 25K distances on a lake-loop course that features muddy, technical single-track, with the 50K running two laps and the 25K one loop. A short gravel-road o..

March 2026

Siuslaw Dunes is a trail running event on March 7, 2026, staged at Honeyman State Park near Florence, Oregon. The event is the first race in the Oregon Coast Trail Series and benefits Siuslaw High School’s Cross Country and Track & Field programs. The race takes place within the Oregon Dunes Na..

Alsea Falls Spring Fling, celebrating its 12th anniversary, takes place at Alsea Falls Recreation Area in the Coast Range, about two hours from Portland and near Monroe, Oregon. Runners choose among Half Marathon, 10K, and 5K distances that traverse fern-laced Pacific Northwest forest trails. The co..

Located in Adrian, Oregon, about 54 miles northwest of Boise, the Owyhee Off-Road Challenge offers four distances: 55k, Half Marathon, 10k, and 5k. Runners traverse rugged, off-road courses with breathtaking views of the Snake River and the Owyhee Valleys, set in the wide-open Owyhee country. Hosted..

April 2026

The Mudslinger Trail Run takes place on March 28th, 2026 in Blodgett, Oregon. The event is a Half Marathon held as part of the Mudslinger Festival. The start and finish are at Blodgett School, located at 35177 Tum Tum Rd. Registration is limited to 100 runners. Early registration fee is $60, risin..

Incline Vista, held near Redmond, Oregon, offers two mountain trail distances: 20 miles and 15 miles. Billed as an early-season opener and a local favorite, the race climbs Cline Butte for sweeping, 360-degree views of the Cascades to the west and Smith Rock and Ochoco Mountains to the east. The 20-..