[1] Edwin Moses is the most successful athlete in the event, having won two gold and one bronze medal.

Glenn Davis, Angelo Taylor and Felix Sanchez have also won two Olympic 400 m hurdles titles.

It is relatively common for 400 m hurdles athletes to also be part of their nation's team for the 4×400 metres relay at the Olympics.

The American women have the highest medal total, with nine, but the nation managed to achieve its first victory only in 2016, when Dalilah Muhammad won the event.

Great Britain is the first nation to have won a gold medal in both the men's and women's event, having three champions in total.