Trail Running Calendar Oregon 2026-2027

We have found 101 Trailruns in Oregon. Check below where and when you can find the races.

A looped trail race at L.L. Stewart State Park on April 5, 2026 offering one to four laps on a 6.5 mile course. Runners may decide during the event which distance to finish and awards go to top finishers of each distance.

An evening trail race series in Forest Park, Portland held in spring, summer and fall. Each five-race Series features marked hilly courses of about 4 to 7 miles, Series standings for regular participants, and a post-series awards party.

A three day trail running event in the Columbia River Gorge featuring 100K, 50K and 30K distances, chip timing, stocked aid stations and a $75,000 prize purse. The event is staged at Marine Park in Cascade Locks with Thunder Island camping..

Experience a scenic 5k through Portland’s Mt. Tabor Park featuring varied terrain and trails. This dog friendly community event supports local student scholarships and athletic facilities.

Experience the scenic multi-use trails of Central Oregon with this low-key event offering 40-mile, marathon, and 20-mile distances. Enjoy an epic post-race feast and receive unique finisher socks in the heart of Sisters.

A four-race trail series in Bend, Oregon held April to July 2026 with courses of 4 to 7 miles. Series standings require participation in at least three races and the event is produced by Go Beyond Racing.

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..

This Earth Month event features a 5K and a 1-Mile run at Colver Fields in Talent. The course might be naturally muddy, offering a unique spring run. All proceeds benefit the Outdoor Discovery Program for local students.

Experience the beauty of the Sandy River and Ancient Forest at the Oxbow Trail Runs near Portland. Choose from 5k, 10k, or Half Marathon distances in a scenic regional park for a day of nature and community.

May 2026

Test your hill skills in this 4.45 mile time trial at Forest Park. Experience a steep out and back course on Firelane 1 followed by a live results viewing party at a local brewery.

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.

Trail races in Sisters, Oregon on May 3, 2026, with 50K and half marathon courses starting and finishing at Village Green Park. The 50K includes 2400 ft of climb and five aid stations; the half has 700 ft of climb and two aid stations.

UTMB Index

COCC Jungle Run in Bend, Oregon on May 7, 2026 offers 2 mile and 4 mile options at the COCC Track. Non-students pay $15 plus processing while COCC students register free with student ID and a free T shirt is available.

Join this unique timed event at Linfield University featuring distances from 1 to 12 hours and a creative Bingo Run. Complete loops on a dirt trail course to support local charities in a supportive community atmosphere.

A family friendly 5K obstacle run at Moto541 in Central Point on May 9, 2026, featuring separate Kidz Family and Adult waves. Participants must bring a signed waiver and adults need photo ID; spectators pay $10 for festival access.

A spring trail running event in Oregon’s Tillamook State Forest offering 50 mile and 55K races plus a two-day double, staged at historic Reehers Camp with marked single-track courses and staffed aid stations.

A trail race at Prescott Park at Roxy Ann Peak in Medford, OR offering a 10 Mile course with about 1800 feet of elevation and a 5K loop. Organized by Southern Oregon Runners with proceeds benefiting a local middle school cross country team.

A 2.62-mile out-and-back on the paved double-wide trail at Frenchman's Bar Regional Park in Vancouver WA, with on-site gear pick-up, swag, parking for a fee, and a virtual participation option.

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.