Trail Running Calendar United States 2026-2027

Mud Factor in Eugene is a 5K mud obstacle run at Eugene MX Park in Junction City on June 27, 2026. The event includes Kidz family and adult waves, requires a signed waiver and photo I.D. for adults, and charges a $10 cash spectator fee for..

A three race trail series at Sunlight Mountain Resort near Glenwood Springs, Colorado. It offers 5K, 10K, and a half marathon with specified elevation gains, limited aid station support, and defined registration windows.

A 30K trail race at Mount Airy Forest in Cincinnati made of three 10K loops. Finishers receive a t-shirt and medal; the race counts toward the Alpine Trail Race Series and awards series points.

A night 5K at Lakeside Park with mixed trail terrain, reflective markers, and required personal lighting; finishes receive handmade medals and proceeds benefit the Pawling Recreation Department.

A 5k trail race at Alderfer Ranch in Evergreen, CO with a course through Alderfer/3 Sisters Park. Shuttle service runs from Wulf Rec Center and on-site vendors, games, and food are available. Internet registration is not yet open.

A backyard ultra at Countryside YMCA in Lebanon, Ohio, repeating a measured 4.1667 mile loop hourly until one runner remains. Fixed 12 hour (50 mile) and 24 hour (100 mile) options are also offered with specific finish requirements.

Riggs CAT Rock N Run 5K on June 27, 2026 at Martin Marietta Hatton Quarry in Cove, Arkansas features a chip timed 5K and an untimed family fun run, a course along the quarry edge, prize payouts, and post race activities.

A community-focused trail event on June 27, 2026 in Fayetteville, featuring a 5K trail course and a 1K adaptive dash that supports Mitchell’s Mountain and local families affected by autism and I/DD.

Timed endurance races on a 5K loop at Heritage Park in Adrian Michigan offering 3 hour and 6 hour formats, central aid stations, organized registration, finisher recognition and a post event gathering.

A trail race near Issaquah, WA offering 50K, half marathon, 5 mile and kids races on Tiger Mountain trails, with steep climbs, aid stations, and shared-use trails.

A mountain trail run at Mt. Shasta Ski Park with sustained climbs, flowing descents, and multiple distance options. The long route links the top of every chairlift while shorter routes include a roughly 5k to the Marmot lift.

The Fluted Rock Marathon will take place in Ganado on Saturday 27 June 2026. You can run between 13 and 26 miles.

Experience a scenic 5K run through the 200 acre Sheldrake Point Winery featuring cross country trails and views of Cayuga Lake followed by live music and wine.

Experience an ultra trail run through the scenic forests between Lake Tahoe and Truckee. This 50 km loop features rocky summits and 4500 feet of elevation gain with full course support and post race festivities in Tahoe City.

Celebrate a piece of Ohio running history with the Buckeye Trail. This point-to-point race offers a 50k and a 25k on scenic trails in the Brecksville Reservation. It's the state's oldest trail 50k, featuring classic courses and supporting t..

This unique 10k trail race in Nolde Forest uses an age-graded start, giving everyone a chance to compete. Runners are grouped by age and gender, with head starts calculated to level the field. A portion of proceeds supports the maintenance..

This cross-country event takes place at the Agricultural History Farm Park in Derwood, Maryland. It's part of a free series for members, with paid registration available for non-members and a youth discount.

Enjoy a community celebration in Portland with a 10k trail race, scenic bike rides, or a family friendly 2 mile walk. Finish the day with a festival featuring food trucks, music, and local beer to support Maine trails.

Experience the natural beauty of Navasota at the Magnolia Hill Trail Run. Choose from a 21K, 11K, or 6K course through the scenic Texas landscape for a rewarding off road adventure.

The Mountain Magic Trail Run - Mead, WA will take place in Mead on Sunday 28 June 2026. You can run between 5 and 35 kilometers.