Usain Bolt and Tyson Gay were never the best of friends ... With a personal best of 9.69 seconds, Gay is the second-fastest 100m runner of all time, tied with Bolt's compatriot Yohan Blake.
Usain Bolt surprised everyone the first time he broke ... as he raced to Olympic gold at the Beijing Games, doing so in 9.69 seconds. And while he may not have immediately taken in the enormity ...