Trail Running Calendar United States 2025-2026

The Eltuck Valley 12K is part of the Lory Summer Trail Series held at Lory State Park in Bellvue, Colorado. This midweek trail race series offers distances ranging from 5K to 12K, catering to both new and experienced trail runners. The August 26 race features a fast and flat 12K course along the Val..

The Catamount Weekly Trail Running Race is a recurring event held at Catamount Outdoor Center, offering distances including a half lap, 5K, and 10K. The races take place rain or shine, with a clear thunder policy in place for safety. Participants receive new bib numbers each week to ensure accurate..

Front Range Ultra Dayze is an ultra-running festival held in Loveland, Colorado, featuring a variety of ultra-distance events including 50k, 100-mile, 200-mile, and timed races from 12 to 100 hours. The course is a flat, fast 2-mile loop with 80% dirt trail and 20% pavement, set in Centennial Park a..

The Run for Thorncroft & 1-Mile All-Ability Move-As-You-Please is a community health and wellness event held at Thorncroft Equestrian Center's 70-acre Farm in Malvern, PA. Featuring a 5K trail run, a 5K walk, and a one-mile move-as-you-please option, the event welcomes participants of all levels, in..

The Flusslauf Trail Run & Hike is an exciting 12-kilometer (7-mile) trail event held at Bedford Reservation in Walton Hills, Ohio. Participants can run, ruck, or hike through scenic wooded trails featuring natural obstacles like tree roots and a river crossing that requires getting wet twice. The ev..

The A Race for the Ages will take place in Manchester from Thursday 28 August 2025 to Monday 1 September 2025.

Run-De-Vous is an ultramarathon event held at Harvey Bear Ranch Park in San Martin, California. The race features multiple distance options including 100 miles, 100 kilometers, 50 miles, 50K, a marathon, and a 4-person 50-mile relay. The course is a fast 2-mile loop set against scenic hills and dist..

The Tejas Dirt Festival, held at Camp Eagle in Rocksprings, Texas, is a vibrant Labor Day weekend event featuring trail running, rucking, mountain biking, paddling races, and unique contests like biathlons and zipline target challenges. Distances include 5 miles, 25K, and 50K trail runs, with mounta..

The Blood Run in Lennox, South Dakota, is a unique endurance running event held on a 1.5-mile loop around an organic vegetable farm. Participants can choose from 3, 6, 12, 24, or 36-hour races, including a 24-hour 4-person relay. The mostly flat course features well-traveled dirt paths and some past..

The Dark Knight Trail Run, also known as the "Goats in the Dark 5k," is a unique night trail race held on Helena’s west side trails in Montana. This family-friendly event takes place in late August, offering runners pleasant nighttime temperatures and scenic sunset views before darkness sets in. The..

Goats In The Dark is a nighttime 5k trail race held in Helena, Montana, starting at LeGrande Cannon Blvd and Silverette St. The course features a scenic route along LeGrande Cannon Blvd to Tubbs Trailhead, then ascends switchbacks onto Mount Helena's western trails, including Swaney, Diretissima, an..

The Cabernet Canter Cross Country 5K/10K is an annual running event held at Talon Winery in Lexington, Kentucky. Participants can choose between a 5K or 10K cross-country race through the scenic winery grounds. Each runner receives a race shirt and a Cabernet Canter wine glass, with a complimentary..

The Temptation 200 Ultras, held in Sand Ridge State Forest near Forest City, Illinois, is a challenging ultramarathon event celebrating its 7th anniversary in 2025. The race offers multiple distances: a grueling 200K, a 50K, and a "Not At All Tempted" 10K. The course consists of multiple loops throu..

The Wildcat Ultras is an ultramarathon event held at the Escambia County Equestrian Center in Pensacola, Florida. The race features multiple distances including 100 miles, 100K, 50 miles, 50K, and 15 miles, all run on a 2.5-mile loop course of mostly grass and dirt with minimal elevation change. Kno..

The Calarat Challenge Trail Running Festival takes place in Jamestown, Colorado, at the scenic Cal-Wood Education Center and Balarat Outdoor Education Center. Held over Labor Day weekend, the event features multiple trail races including a half marathon, 10K, 5K, Kids 1K, and combination races like..

The Cirque Series at Grand Targhee, Wyoming, is a challenging 7.1-mile mountain running race featuring 2,212 feet of vertical gain. Starting at the base of Grand Targhee Resort (7,860 ft elevation), runners ascend steep service roads and single-track trails through scenic aspen groves and spruce for..

The Barn-B-Q Trail Festival, held in Berkeley Heights, New Jersey, is a unique outdoor event combining trail running or hiking with a lively barn party. Set in the historic Deserted Village of Feltville within Watchung Reservation, participants can enjoy self-guided trail tours ranging from 2 to 6 m..

Death by 5K in Brandon, Mississippi, is a unique 24-hour endurance challenge held at the RunStrong Training Center. Participants attempt to complete ten 5K runs within 24 hours, with races starting every 2.5 hours on the same course that begins and ends at the training center. Runners can rest in th..

The Leaky Hourglass Ultra is a unique Last Man Standing ultramarathon held near Half Way, Missouri, about 20 miles north of Springfield. The race features a challenging 4.167-mile out-and-back loop on a chip-sealed rural highway with rolling hills and approximately 250 feet of elevation gain per lap..

The Black Bear Trail Races, hosted by White Mountain Endurance in Waterville Valley, New Hampshire, offer a challenging and scenic trail running experience. The event features four distances: a demanding 50K with 7,700 feet of elevation gain over iconic 4,000-foot peaks, a 23K course on the oldest m..