Trail Running Calendar United States 2026-2027

Two Brothers Up and Down in Idaho Springs offers two uphill out and back races on mixed dirt and paved roads, with steep sections and an aid station on the 10k. Both races start and finish at Courtney Riley Cooper Park.

Trail races of 5K and 3K at Codorus State Park Marina organized by Delone Catholic High School's cross country team; early registration includes a T-shirt and goodie bag and proceeds support several local funds.

An obstacle and trail running event at Diamond Lake Resort in Owensboro, Kentucky, featuring 5K and 10K options, 28 obstacles, and youth races for ages 4 to 13. Proceeds benefit MentorKids Kentucky.

A multi-part event at the Athens YMCA on August 1, 2026 featuring a cross country 5K through the woods, a one-lap track Fun Run, and a Phantom Runner shirt option with on-site pickup.

A 12 hour loop run or walk at Southeastway Park on August 1, 2026, with dirt and paved course options. Solo or relay teams of two to eight can track loops on a scrolling screen; finishers receive a medal and shirt and awards and refreshment..

7MC is a trail race at Seven Mile Creek County Park in St Peter MN on August 1, 2026. It offers three distances, chip timing for 2026, t-shirt options, and volunteer opportunities on race day.

A classic trail event in Castro Valley offering 50K and 21K loop courses through East Bay Regional Parks, with on-course aid stations, volunteer support, race swag, and age-group awards.

Explore new trails above Shaver Lake at the Ely Mountain Trail Race. Choose between a 14K course with a rugged 1,000-foot climb or an 8K route, both offering mountain views. All runners get a custom shirt, finisher medal, and post-race refr..

Test your endurance at Wheeler Park with distances ranging from a Kids Dash to a Half Marathon. Enjoy a scenic trail run in Oklahoma City featuring chip timing and festive finish line awards.

Join the first annual Montey's Pack Rescue Run 5K in Collegeville, PA. This event features a 5K run/walk, a kids' fun walk, and a virtual option, with all proceeds supporting local animal shelters. Participants can run or walk on paved and..

Experience a Colorado tradition at the Buena Vista Pack Burro Race. Choose between 13.1 or 7.3 mile courses and compete either with a burro team or as a solo runner in this historic mountain event.

Challenge yourself on the stairs of Giant Pine Mountain. Choose from a single climb, multiple repeats, or a new combination with a trail run. This chip-timed event in Iron Mountain offers different formats for testing your endurance.

Run a scenic 5K at Lake Arthur as part of the Moraine State Park Regatta. This timed race on the Sunken Garden Trail supports eco-recreation in the park. Stay after the finish for a festival with vendors and activities.

This trail run and walk supports autism awareness, with all proceeds going to charity. Participants can enjoy a scenic 5-mile loop through the woods of the Trenton Fish and Game Club. The event includes a free kids run and is timed by the U..

Challenge yourself on the historic stairs of Tacoma at the Unleashed at Stadium Bowl. Choose from one or two laps totaling up to 3256 steps to support local animal rescue efforts.

Experience a scenic 6k trail race through Long Point State Park on Chautauqua Lake. This memorial cross country event supports a local scholarship fund and features post race refreshments and awards for various age groups.

Summer Sizzler in Orlando on 08/02/2026 features 1 mile, kids dash, 5k, 10k, 15k, virtual options, and a volunteer then run choice. Registrations include event shirts and finisher medals and select distances use chip timing.

A women only 5K obstacle mud run on August 2, 2026 at East Fork Motocross Park featuring 18+ obstacles, an emphasis on fun and teamwork, and open to participants ages 7 and up.

A women only 5K obstacle mud run at East Fork Motocross Park on August 2, 2026, focused on fun rather than competition, with spectator access, Bag Drop for a fee, and age and waiver requirements for young participants.

A community trail event at Mendon Ponds Park on August 2, 2026 offering 10K, 5K and a one mile fun run or walk; dogs on leash are welcome and proceeds support epilepsy programs in Upstate New York.