With his current world record of 9.58 seconds in the 100-meter dash and a top speed of more than 27 miles per hour, Jamaican sprinter Usain Bolt has already defied many expectations of how fast human ...

Jim Hines, a two-time Olympic gold medalist who was the first man officially timed at under 10 seconds in the 100-meter sprint, died on Saturday. He was 76. World Athletics announced Hines’s death in ...