The Mammoth at Dinosaur Valley

Six-O Trail Run, held at Six-O Ranch in Cleburne, Texas, offers 50K, Marathon, Half Marathon, and 6 Mile races. The 1,600-acre ranch boasts over 20 miles of trails on single-track, dirt ranch roads, with occasional crossings of wide-open fields and water crossings depending on conditions. The event..

The Dinosaur Valley Endurance Run takes place at Dinosaur Valley State Park in Glen Rose, Texas. The event offers five distances—100 Miler, 100K, 50K, 25K, and a 5 Miler—designed to challenge runners of all levels. Runners traverse a hilly course with a mix of soft dirt, rocks and roots; some sectio..

Run for the Range Half Marathon takes place at Fall Creek Ranch in Granbury, Texas. The event also includes a 5K, 10K, and a Couch Conservationist option. Runners traverse about 1,500 acres of wide-open Texas landscape on dirt single and wide-track trails, featuring rolling hills and creek crossings..

The Camp Classic Trail Run at Camp El Tesoro in Granbury, Texas, is an annual event featuring 5K, 10K, and Kids 1K Fun Run distances suitable for runners and walkers of all levels. The course offers a scenic journey through diverse landscapes including woods, prairies, and creek-side paths. Particip..

The Chisholm Trail Adventure Race, held near Kopperl, Texas, offers a challenging outdoor experience retracing historic cattle drive routes. Participants navigate diverse terrains on foot and mountain bike, including paddling up the Brazos River, while searching for checkpoints. The event features t..

Coyote Trail Run takes place at Cleburne State Park in Cleburne, Texas. The event offers five distances: 50 mile, 50K, 25K, 8 mile, and 4 mile. All races use a single scenic 8-mile loop with 800–1,000 feet of elevation gain, repeated for longer distances, with all runners finishing at the same start..