Athletics - 400m Men
Machel Cedenio of Trinidad and Tobago, Rusheen McDonald of Jamaica, Wayde van Niekerk of South Africa, Pavel Maslak of the Czech Republic and David Verburg of the United States compete in the Men's 400m Semi Final on Day 8 of the Rio 2016 Olympic Games at the Olympic Stadium on August 13, 2016 in Rio de Janeiro, Brazil.