Trail Running Calendar Oregon 2025-2026

We have found 48 Trailruns in Oregon. Check below where and when you can find the races.

Run the scenic Lithia Loop Trail in Ashland with marathon, mini marathon 13.1 miles, and 10k options. Start and finish in Lithia Park on a rugged watershed loop with big climbs and big views, limited to 300 runners for an intimate event.

Thunder River is a fall trail race in Cascade Locks, Oregon, with scenic river views and seasonal colors along the Pacific Crest Trail. Choose a 25K or 50K route that finishes at Marine Park after a loop around Thunder Island.

At Smith Rock near Bend on November 8 and 9, 2025, Run The Rock offers a scenic, technical 50K and a hilly half marathon on rugged single track. All finishers get a custom award and proceeds benefit the local high school team.

UTMB Index

Take on the scenic trails of Fort Stevens State Park near the Columbia River with distances from a 5K to a half marathon and a 12 mile ruck challenge. Flat paved paths give way to rolling lakeside trail, beach views and living history.

December 2025

Inaugural Salem 50k on Dec 6 at Bush's Pasture Park offers 50k, 30k and 10k on a scenic but testing loop course. Expect mixed pavement and dirt loops, rolling climbs, basic aid, and variable December weather.

January 2026

Run the 12th annual Perpetua FatAss in scenic Yachats, OR, with trail distances from 9 mile to 50K and no entry fee. Routes are self supported with water stops and downloadable maps, and a post run potluck wraps up the day.

February 2026

Celebrate Valentine’s Day with Run Love Run in Newport, Oregon on February 14, a festive coastal run for couples, friends and families. Choose 30K, 15K or 8K and enjoy a hand blown glass finisher medal, a red rose at the finish, pro photos..

Run scenic, muddy trails at Hagg Mud 50K or 25K around Henry Hagg Lake in Scoggins Valley Park, Oregon. Both races include a group start, aid stations, finisher socks and a lively post race celebration.

March 2026

Kick off trail season at Mastondon on March 1, 2026, a scenic 10ish mile run near Bend and Redmond through juniper and high desert with views of the Deschutes River and surrounding peaks. Friendly early season course for adventurous trail r..

Celebrate the 12th anniversary of the Alsea Falls Spring Fling on scenic loop trails through fern lined Coast Range woods near Monroe, Oregon. Choose a half marathon, 10K, or 5K for a fresh Pacific Northwest trail running experience.

Siuslaw Dunes is an early season point to point trail event on March 7 near Florence, Oregon with 50K, 20 mile and 12K options. Run across sand dunes, old growth forest and beaches while supporting Siuslaw High School cross country.

Run through blooming tulip fields at the Wooden Shoe TulipFest Run in Woodburn, Oregon. Choose a 5K, 10K trail run or a half marathon, with festival admission included and scenic, sometimes muddy farm routes.

Owyhee Off Road Challenge in Adrian Oregon on March 21, 2026 features 55k, half marathon, 10k and 5k courses through wide open terrain with Snake River views. Hosted by Adrian Sports Boosters, proceeds support local school track and youth p..

Join the Mudslinger Trail Run half marathon in Blodgett, Oregon for scenic forest trails with rolling hills and varied terrain. Limited to 100 runners, the festival event features individual and team entries, quirky awards, and food.

April 2026

Incline Vista on Cline Butte near Redmond OR offers sweeping Cascade and Smith Rock views. Pick a summit focused 20 mile challenge or a scenic 15K with runnable stretches and rocky sections for a memorable trail day.

Run among waterfalls and the dramatic Columbia River Gorge with 30K, 50K and 100K trail options from April 10 to 12, 2026. Expect marked courses, aid stations, camping nearby and a classic Pacific Northwest trail experience.

Run scenic ridge trails near Sisters, Oregon on April 12, 2026, choosing 20 mile, marathon, or 40 mile distances. Limited to 500 runners, the event benefits the Sisters High School cross country team and local trails.

Run scenic river and forest trails at Oxbow Regional Park with 5k, 10k and half marathon options on April 26, 2026. Limited to 150 runners, the cupless event features aid stations, post race food and an Oxbow cup for root beer floats.

May 2026

Firelane Trail Trial is a time trial out and back on Firelane 1 in Forest Park featuring a steep climb and technical trail sections. Field capped at 144 with a post race gathering at Great Notion Brewing.

Run the scenic single track trails around Sisters, Oregon with options of a 50K or Half Marathon. Enjoy Cascade peak views, post race food and beer, and support the Ridgeview High School cross country team.