Colorado River Run Marathon, Ultra and Taco Trot

The Colorado River Run takes place at Arkansas Bend Park along the scenic Colorado River in Marble Falls, Texas, giving runners a chance to reconnect with nature. Distances range from a 5K up through a 10K, half marathon (13.1 miles), full marathon (26.2 miles), 50K (31 miles), and 50-mile ultramarathon.

The course crosses varied terrain, including riverbanks and rugged trail sections, and is fully supported with aid stations along the way. Organizers build in eco-friendly practices to minimize the event's environmental impact. A family-friendly 5K option lets kids join in alongside registered parents, making it a welcoming race for runners of every level.