![Sprinter Usain Bolt of Jamaica holds a Puma shoe during a news conference in Berlin, August 13, 2009. Bolt is to compete in the IAAF World Championships in Athletics that will take Sprinter Usain Bolt of Jamaica holds a Puma shoe during a news conference in Berlin, August 13, 2009. Bolt is to compete in the IAAF World Championships in Athletics that will take](https://c8.alamy.com/comp/2E7N9MT/sprinter-usain-bolt-of-jamaica-holds-a-puma-shoe-during-a-news-conference-in-berlin-august-13-2009-bolt-is-to-compete-in-the-iaaf-world-championships-in-athletics-that-will-take-place-in-berlins-olympic-stadium-from-august-15-to-23-reuterstobias-schwarz-germany-sport-athletics-headshot-2E7N9MT.jpg)
Sprinter Usain Bolt of Jamaica holds a Puma shoe during a news conference in Berlin, August 13, 2009. Bolt is to compete in the IAAF World Championships in Athletics that will take
![chasingBOLT - chasing Bolt follows Usain Bolt, the wolrd's fastest man - Videos - Usain Bolt Commercial #3 - Less Weight More Fass - PUMA FAAS 550 Shoe chasingBOLT - chasing Bolt follows Usain Bolt, the wolrd's fastest man - Videos - Usain Bolt Commercial #3 - Less Weight More Fass - PUMA FAAS 550 Shoe](https://cf-images.us-east-1.prod.boltdns.net/v1/static/6068525033001/a304aac1-a3c4-48da-beef-1027a515b081/719d2681-25be-4934-9c3d-3196658d34c9/1280x720/match/image.jpg)
chasingBOLT - chasing Bolt follows Usain Bolt, the wolrd's fastest man - Videos - Usain Bolt Commercial #3 - Less Weight More Fass - PUMA FAAS 550 Shoe
![Jamaican runner Usain Bolt warms up during a training session at the Stadio dei Marmi in Rome May 24, 2011. Olympic sprint champion and world record holder Bolt confessed on Tuesday to Jamaican runner Usain Bolt warms up during a training session at the Stadio dei Marmi in Rome May 24, 2011. Olympic sprint champion and world record holder Bolt confessed on Tuesday to](https://c8.alamy.com/comp/2CX83C4/jamaican-runner-usain-bolt-warms-up-during-a-training-session-at-the-stadio-dei-marmi-in-rome-may-24-2011-olympic-sprint-champion-and-world-record-holder-bolt-confessed-on-tuesday-to-feeling-nervous-for-the-first-time-in-his-career-as-he-prepared-for-his-seasons-debut-at-the-rome-golden-gala-reutersalessandro-bianchi-italy-tags-sport-athletics-2CX83C4.jpg)