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 endurance event at Southeastway Park with solo and relay team options on dirt or paved loop courses of about 1 to 2 miles, plus finisher medals, tech shirts, and awards for top solo and team finishers.

A trail race at Seven Mile Creek County Park offering a free 0.7k, a 7k and a 7 mile course with technical climbs, chip timing in 2026, and a post-race pancake party.

A trail race in Danbury, North Carolina on August 1, 2026 covering about 11 miles with 1600 feet of climb, rock scrambles and a short river crossing. Aid stations are on course and volunteers provide limited car shuttles between start and f..

A loop-based trail event in Foristell, Missouri on August 1, 2026, where runners repeat a 3.1 mile (5K) loop each hour and may stop after any completed loop. Results combine times for all completed loops to determine rankings.

Run De Tour is a two part trail running event in Anchorage on June 14 and Aug. 1st, using Double Bubble and Spencer Trails. Distances include 20 km, 10 km, and 5 km; fees apply and entries are non refundable.

A community-focused trail run in Omao, Kauai on August 1, 2026. Proceeds fund Keala Foundation fitness and wellness programs for keiki and the day includes a GORUCK start plus a group start for other racers.

A trail event at Camp Lake of the Woods in Swope Park on August 1, 2026 featuring a 5K walk, a 5K run and an approximately 11K rocky loop intended for experienced trail runners, with water stations, packet pickup and a postrace raffle.

A five mile trail race on the Gurney Lane Trails in Queensbury, NY featuring single track terrain, chip timed results, age group awards, a post race celebration and proceeds benefiting the Under the Woods Foundation.

A timed 5k trail run or walk at Connorridge Farms in Oxford, Iowa, with a Virtual 5k option, prairie views, a prairie identification challenge, awards, and on-site finish line music.

A farm work inspired obstacle course at Waid Park on August 1, 2026, featuring more than 20 obstacles and new farm themed elements. Registration includes chip timing, a logo shirt and live bluegrass; kids 12 and under may participate free.

A cross-country 5K on the Lake Land College campus in Mattoon, Illinois, featuring rolling hills, grassy fields and wooded paths. The event highlights the college's second-year cross country program and includes packet pickup at the Field H..

A 5K event with two options: a Pump N' Run where bench press reps reduce 5K time, and a Traditional 5K, both on Adams Homestead limestone trails in North Sioux City.

Trail races at Oakes Quarry Park in Fairborn offer 1.55 mile, 5K, 10K and 15K distances over limestone cliffs and wooded trails. Overall winners receive awards and all finishers get a medal.

A nine-race trail series in August October 2026 across the Twin Ports featuring woodland singletrack courses from about 5.5 to 10.5 km. Entry is free and the season concludes with a potluck and prizes.

The Farm Life 5k Trail Run will take place in Idaho Falls on Saturday 1 August 2026. You can run 5 kilometers.

A 7K trail race at Paris Mountain State Park in Greenville SC with a moderate course that follows Lake Placid Trail, Mountain Creek Trail and park roads, finishing at Shelter 3. Registration opens December 21 2025.