Wayde van Niekerk is the world record holder in both the 400m sprint and the 300m sprint. He is also the first person in history to run the 100m under 10 seconds, the 200m under 20 seconds, the 300m under 31 seconds and the 400m under 44 seconds. His next goal is to be the first person ever to break the 43 second mark in the 400m. Wayde is on instagram @waydedreamer.