His early professional success included clinching the World Indoor 60m Championship in 2003. At the Athens 2004 Olympic Games, Gatlin delivered a standout performance, earning a gold medal in the 100m event, a bronze in the 200m, and a silver as part of the 4x100m relay team. He continued this dominance at the 2005 World Championships in Helsinki, achieving a remarkable double by securing gold medals in both the 100m and 200m events. Gatlin demonstrated his enduring prowess by claiming the World Indoor 60m Championship title again in 2012 in Istanbul.
His impressive run continued with a silver medal in the 100m at the Rio de Janeiro 2016 Olympic Games. In 2017, Gatlin contributed to another 4x100m Relay Gold Medal at the World Athletics Relays in Nassau. Later that year, at 35 years old, he cemented his legacy by winning the World Championship 100m Gold Medal in London, notably defeating Usain Bolt in a defining moment of his career. In 2019, Gatlin added to his extensive medal collection at the World Championships in Doha, where he earned a silver medal in the 100m and a gold medal in the 4x100m relay.
Throughout his two-decade career, he accumulated one Olympic gold, two silver, and two bronze medals, alongside eight World Championship gold and three silver medals. Gatlin officially retired from competitive athletics in 2022, leaving behind a legacy marked by remarkable longevity and a consistent presence on the global podium.