A racehorse trainer is a professional responsible for preparing and conditioning racehorses for competitions. They develop training programs that enhance the horses' speed, stamina, and overall performance. Trainers work closely with veterinarians to ensure the horses are healthy and fit for racing. In addition to physical training, racehorse trainers also manage the horses' diets and monitor their progress. They often collaborate with jockeys to strategize for upcoming races. Successful trainers have a deep understanding of horse behavior and racing techniques, which helps them guide their horses to victory on the racetrack.