Justin Gatlin is an American sprinter who specializes in the 100 and 200 meters events. He is the 2017 100m World Champion. He is the 2004 Olympic champion in the 100 meters, the 2005 and 2017 World champion in the same event, and the 2005 World champion in the 200 meters. A five-time Olympic medalist, Justin Gatlin's personal best of 9.74 seconds ranks fifth on the all-time list of male 100-meter athletes. He is a two-time 100m World Champion and a two-time indoor world champion in the 60-meter dash in 2003 and 2012, and won both the 100 meters and, 200 meters at the 2005 World Championships.