Usain Bolt crushed all doubts that he is still the world’s fastest man, winning the Olympic 100m in dominant fashion Sunday. Bolt finished in 9.63 seconds, a new Olympic record. His teammate Yohan ...

World, meet the fastest 16-year-old runner in recorded history. At the Australian All Schools Championships in Brisbane on Dec. 7, Australian runner Gout Gout ran a 20.04-second 200-meter in the ...