Usain Bolt

• Sport: Olympic Track and Field
• Nation: Jamaica
• Discipline: Sprints
• Notes: Born July 21, 1986. ... Will come into his first Olympic appearance as the favorite in the 100 meters after stunningly breaking Asafa Powell's world record May 31, running a 9.72 to best Powell's 9.74 mark. ... Has received two International Association of Athletics Federations rising star awards. ... Ran the 200m dash in 19.75 seconds at the 2007 Jamaican Championships, breaking the 36-year-old national record held by 1970s and 80s Olympic star Dan Quarrie. ... Took silver at the 2007 World Championships in Japan, running the 200 in 19.91 seconds to finish behind the United States' Tyson Gay (19.76). ... In 2004, broke former U.S. star Lorenzo Daniel's world junior 200m record, finishing in 19.93 seconds to become the first junior to break the 20-second mark. ... At 15 years old, won a gold medal (200m) and two silvers (4x100- and 4x400m relays) at the 2002 World Junior Championships.