Back to Beijing: Usain Bolt's world record with an untied shoelace | OlympicChannel.com
Usain Bolt record collection: the sprint king's greatest hits
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Which Olympic athlete owns the most world records? - Eurosport
100 Metres
What makes a winning sprinter?
Usain Bolt of Jamaica Defends Gold in 100 Meters - The New York Times
The 14 Heaviest Olympic Sprinters of all Time – Weight of Stuff
Usain Bolt and why Jamaican sprinters are so fast | Financial Times
How Usain Bolt could have run even faster.
How Fast the Jamaican Sprinters Ran to Sweep the Women's 100 Meters - The New York Times
How does Usain Bolt run so fast? - BBC News
Who is the fastest person in the world? It's an Olympics record-holder
Olympic sprinter runs 40-yard dash faster than NFL combine record - OlympicTalk | NBC Sports
Will we ever… run 100m in under nine seconds? - BBC Future
The maths behind the fastest person on Earth (and no it's not Usain Bolt)
How Fast Can A Human Run, Really?
How the world's fastest man Usain Bolt mentally prepares for a race
Usain Bolt's guide to running faster | The Australian
How Fast Is the World's Fastest Human? | Britannica
How to Sprint 100 Meters (with Pictures) - wikiHow
Usain Bolt - Wikipedia
