Valerie Kasanita Adams, a shot putter from New Zealand, a four-time World champion, three time World Indoor champion and two-time Olympic and Commonwealth champion, thanked her chiropractor In a tweet for her 51st straight win.
Six-time Olympic gold medalist Usain Bolt, who will race at the London Anniversary Games this weekend, on Thursday stressed his achievements are the result of hard work and not doping. "I'm clean," he said.
Usain Bolt and his Jamaican team mates pulled off yet another stunning victory today, this time in the 4x100 m relay. Canada's team celebrated winning the bronze until officials ruled them disqualified due to a slight mis-step.
In the 2012 Summer Olympics in London, Usain Bolt became the first sprinter in Olympic track and field history to successfully defend both 100m and 200m Olympic titles in consecutive Games. Bolt’s dominance will transform the future of sprinting.
Was there really any doubt? Jamaican sprinter Usain Bolt successfully defended his Olympic reign as fastest man in the world, easily winning the 100 m final. His countryman and running partner, Yohan Blake, took the silver.
Sarah, an 11-year-old cheetah at the Cincinnati zoo, set a new world land speed record during a shoot for the National Geographic magazine. Sarah accomplished the world record-breaking sprint on June 20, covering 100 meters in 5.95 seconds.
This is a cautionary tale: if your task is to hand out flowers after a big sprint, don't start by crossing into a runner's lane. Especially as the race is just ending and the lane belongs to the fastest human on the planet.
The Jamaican relay team finished competition at the IAFF World Championships by setting a world record of 37.04 seconds in the men's 4x100-meter to take home the gold medal in the last event of the games held in Daegu, Korea.
The disqualification of Olympic 100m champion Usain Bolt, 25, at the World Championship has prompted a review of the false start rule that calls for the immediate disqualification of a runner if they start before the gun.
Usain Bolt of Jamaica crosses the line to win gold in the men's 100m final on Day 9 at London 2012
Usain Bolt of Jamaica celebrates crossing the finish line ahead of Ryan Bailey of the United States to win gold and set a new world record of 36.84 during the Men's 4 x 100m Relay Final on Day 15 of the London 2012 Olympic Games at Olympic Stadium
Usain Bolt winning the 200-metre dash at the London Games
Usain Bolt, the fastest man in the world
Usain Bolt of Jamaica celebrates winning gold in his familiar fashion in the men's 100m final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium.