Who was the youngest person to win a decathon?

The youngest person to win a decathlon at the Olympic Games is Bob Mathias, who achieved this feat at the age of 17 during the 1948 London Olympics. His victory made him the youngest decathlon champion in Olympic history, a record that still stands today. Mathias went on to win a second gold medal in the decathlon at the 1952 Helsinki Olympics, solidifying his legacy in the sport.