Otis Harris
The United States won the silver medal in the Women's 400m Event at the Rio 2016 Olympics.
Denmark won the silver medal in the Women's 400m Hurdles event at the Rio 2016 Olympics.
She won a silver medal in the women's 400m dash.
Kenya took home the silver medal in the Men's 400m Hurdles event at the Rio 2016 Olympics.
The winner of the silver medal in the Women's 400m Hurdles event at the Rio 2016 Olympics was Sara Slott Petersen.
Michael Phelps won the men's 400 meter individual medley gold medal in the 2008 Summer Olympics.
Allyson Felix won the silver medal in the Women's 400m Event at the Rio 2016 Olympics. It was a very close race, as Miller had won the gold medal with a dive.
Park Taehwan (Korea) won the gold medal in the men's 400 meter freestyle swimming in the 2008 Summer Olympics.
Thiago PereiraBrazil (BRA)
Boniface Mucheru Tumuti was the silver medalist in the Men's 400m Hurdles event at the Rio 2016 Olympics.
Elizabeth BeiselUnited States (USA)
1 gold from Ohuruogu's 400m win. 2 Silver from Phillips Idowu's Triple jump second and Germaine Mason high jmup second.