Trail Running Calendar United States 2026-2027

Summer Sizzler in Tampa on 08/01/2026 features timed 5K 10K and 15K races, untimed 1 mile and kids dash, and a virtual option. The event includes chip timing, shirts and medals, free photos and finish line treats.

Experience a point to point journey through the Michigan wilderness on the Waterloo Pinckney Trail. Run through forests and meadows before celebrating at a finish line party hosted by Sandhill Crane Vineyards.

A 10k trail run and hike through Tioga State Forest in Wellsboro, PA on August 1, 2026. Proceeds will be donated to the Chromosome 18 Registry and Research Society to support research into a rare genetic disorder.

Trail races at Miller Plant Farm featuring 5K, 10K, and a kids 0.5 mile run across mixed farm and wooded terrain, with on-site medical support and fundraising proceeds benefiting the WellSpan York Cancer Patient Help Fund.

A backyard ultra on nearly 2,000 acres in Clancy, Montana where runners repeat a 4.2 mile loop each hour until only one remains. Crews of up to four support runners at a central hub with tents and supplies.

Trail races at Shelby Farms Park on the Tour de Wolf singletrack offering 5 mile and 10 mile courses. The event is cupless with water stations, chip timing, pavilion packet pickup, bag drop, and post race awards.

A small, early August looped event in Crozet, VA featuring five steep gravel laps totaling 29.0 miles and about 7,610 ft of elevation gain, limited entry, basic aid, and shuttle parking.

A 12 km trail race on August 1, 2026 in Hanover, NH, using Oak Hill XC and Trescott Trails with 1,446 ft of climbing. The event offers pre-registration and race-day entry with course support and timing services.

A 5K Run and Walk held on airfield grounds in Malvern, Ohio, routed on hard packed dirt beside a grass private runway. Registration opens April 1 and the fee is $25.

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.