Wayde van Niekerk is a South African track and field sprinter who competes in the 200 and 400 meters. He is the current world record holder in the 400 meters, having set a time of 43.03 seconds at the 2016 Rio de Janeiro Olympics, where he won the gold medal. Van Niekerk has also earned medals at various World Championships, making him one of the most accomplished 400m runners in history.