Florence Griffith Joyner is the fastest woman in the last 50 years in the world. Usain bolt is the fastest man in the last 50 years in the world. Recently usain bolt acheived the fastest man in the world.
fastest man - Usain Bolt (he became the first man to hold the 100 and 200 m world and Olympic)
fastest women - Marion Jones (The first woman to win five medals at one Olympics)
