Surpassed Carl Lewis as the most decorated track and field Olympian after winning gold in the 4x400 metres relay and bronze in the individual 400m in Tokyo. It took her career total to 11 medals in five Olympic Games – seven gold, three silver and a bronze. Although she only won one individual Olympic gold, in the 200 metres in London in 2012, she played a key role in US women's relay teams, winning six additional gold medals. She also won 13 gold, three silver and two bronze World Championship medals. After a difficult birth of daughter Camryn in 2018, she has become a champion of women’s health and has fought for salary protection for pregnant athletes.