Mary Decker is a former American middle-distance runner, known for her achievements in the 1980s. Born on August 4, 1956, she specialized in events like the 800 meters and 1500 meters. Decker gained fame for her remarkable speed and endurance, setting multiple world records during her career. Throughout her athletic journey, Decker competed in several international competitions, including the Olympics. She won a gold medal at the World Championships in 1983 and became a prominent figure in women's athletics. Despite facing injuries, her legacy continues to inspire future generations of runners.