Usain Bolt - Wikipedia
en.wikipedia.org › wiki › Usain_BoltBolt is the first athlete to win four World Championship titles in the 200 m and is one of the most successful in the 100 m with three titles. Bolt improved upon his second 100 m world record of 9.69 with 9.58 seconds in 2009 – the biggest improvement since the start of electronic timing.
Usain Bolt | Biography, Speed, Height, Medals, & Facts
www.britannica.com › biography › Usain-BoltUsain Bolt, in full Usain St. Leo Bolt, (born August 21, 1986, Montego Bay, Jamaica), Jamaican sprinter who won gold medals in the 100-metre and 200-metre races in an unprecedented three straight Olympic Games and is widely considered the greatest sprinter of all time.