Jarmila Kratochvílová is a former Czech middle-distance runner, born on January 26, 1951. She is best known for her remarkable achievements in the 800 meters and 400 meters events during the 1980s. Kratochvílová set the world record for the 800 meters in 1983, a record that still stands today. Throughout her career, she won multiple medals at international competitions, including the Olympic Games and World Championships. Her unique running style and exceptional speed made her one of the most prominent athletes of her time, earning her a place in the history of track and field.