The American Endurance Ride Conference (AERC) is a national organization dedicated to promoting and governing the sport of endurance riding in the United States. Founded in 1972, AERC provides guidelines for endurance events, ensuring safety and fair competition for both riders and horses. The organization also maintains records of rides and promotes education about the sport. AERC organizes various endurance riding events, which typically involve long-distance rides ranging from 25 to 100 miles. Participants are required to complete the ride within a specified time frame while ensuring the health and well-being of their horses. The conference also offers resources for riders, including training tips and veterinary information.