She is a two-time Olympian with three gold medals.
At the 2012 Summer Olympics she placed fourth in the 100m race then won her first gold by leading off the world record-setting 4 Ă 100 m relay team.
At the 2016 Summer Olympics she won two more golds, first with a personal best to win the long jump then again leading off the victorious 4 Ă 100 m relay team.
Other achievements include winning the long jump World Championship in 2005 and 2015, plus the long jump World Indoor Championship in 2006.