![Olympic winner and world record holder Usain Bolt of Jamaica flexes his muscles during a news conference before the IAAF World Challenge Zlata Tretra Ostrava (Golden Spike) in Ostrava May 26, 2010. Olympic winner and world record holder Usain Bolt of Jamaica flexes his muscles during a news conference before the IAAF World Challenge Zlata Tretra Ostrava (Golden Spike) in Ostrava May 26, 2010.](https://c8.alamy.com/comp/G47HA3/eventual-steeplechase-winner-joesph-keter-follows-world-record-holder-G47HA3.jpg)
Olympic winner and world record holder Usain Bolt of Jamaica flexes his muscles during a news conference before the IAAF World Challenge Zlata Tretra Ostrava (Golden Spike) in Ostrava May 26, 2010.
![Usain Bolt má Zlatou tretru rád, proto se do Ostravy už popáté v řadě vrátil | iROZHLAS - spolehlivé zprávy Usain Bolt má Zlatou tretru rád, proto se do Ostravy už popáté v řadě vrátil | iROZHLAS - spolehlivé zprávy](https://www.irozhlas.cz/sites/default/files/styles/zpravy_otvirak_velky/public/images/02635982.jpeg?itok=AFujOpO-)
Usain Bolt má Zlatou tretru rád, proto se do Ostravy už popáté v řadě vrátil | iROZHLAS - spolehlivé zprávy
![Olympic winner and world record holder Usain Bolt of Jamaica flexes his muscles during a news conference before the IAAF World Challenge Zlata Tretra Ostrava (Golden Spike) in Ostrava May 26, 2010. Olympic winner and world record holder Usain Bolt of Jamaica flexes his muscles during a news conference before the IAAF World Challenge Zlata Tretra Ostrava (Golden Spike) in Ostrava May 26, 2010.](https://c8.alamy.com/comp/2D2GCD1/olympic-winner-and-world-record-holder-usain-bolt-of-jamaica-flexes-his-muscles-during-a-news-conference-before-the-iaaf-world-challenge-zlata-tretra-ostrava-golden-spike-in-ostrava-may-26-2010-reutersdavid-w-cerny-czech-republic-tags-sport-athletics-2D2GCD1.jpg)