The Bolt Effect: How chasing Usain Bolt made the world run faster | The Independent | The Independent
Usain Bolt seventh highest paid through endorsements - Canadian Running Magazine
Tokyo Olympics: Usain Bolt, spike technology, 100m sprint, Nike, reaction, news, updates
Usain St. Leo Bolt on Twitter: "Team Representing my Signature USAIN BOLT x @PUMA Ralph Sampson Sneakers 🔥🔥🔥🔥 https://t.co/63a4SEG9wz https://t.co/zenrAiRsD1" / Twitter
Usain Bolt should be as marketable in retirement as he is today | The Star
Usain Bolt signs biggest athletics sponsorship deal ever with Puma | Usain Bolt | The Guardian