![Usain Bolt of Jamaica jumps off of the starting block when he competes in the Men's 200m Semifinals at the Olympic Stadium at the 2016 Rio Summer Olympics in Rio de Janeiro, Usain Bolt of Jamaica jumps off of the starting block when he competes in the Men's 200m Semifinals at the Olympic Stadium at the 2016 Rio Summer Olympics in Rio de Janeiro,](https://c8.alamy.com/comp/TYXAHP/usain-bolt-of-jamaica-jumps-off-of-the-starting-block-when-he-competes-in-the-mens-200m-semifinals-at-the-olympic-stadium-at-the-2016-rio-summer-olympics-in-rio-de-janeiro-brazil-on-august-17-2016-photo-by-kevin-dietschupi-TYXAHP.jpg)
Usain Bolt of Jamaica jumps off of the starting block when he competes in the Men's 200m Semifinals at the Olympic Stadium at the 2016 Rio Summer Olympics in Rio de Janeiro,
![Usain Bolt slams starting blocks after making hard work of 100m qualifying at World Championships in London - Mirror Online Usain Bolt slams starting blocks after making hard work of 100m qualifying at World Championships in London - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article10933922.ece/ALTERNATES/s615b/Jamaicas-Usain-Bolt-prepares-to-compete.jpg)
Usain Bolt slams starting blocks after making hard work of 100m qualifying at World Championships in London - Mirror Online
![Usain Bolt slams starting blocks after making hard work of 100m qualifying at World Championships in London - Mirror Online Usain Bolt slams starting blocks after making hard work of 100m qualifying at World Championships in London - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article10933925.ece/ALTERNATES/s615b/IAAF-Athletics-World-Championships-London-2007.jpg)