I'm standing at the starting line of the girls' 100-meter dash, watching my 12-year-old crouch for the start.

FORBES: People and Things to Like--2005

"I'm not invincible, " he told BBC Sport after his 100 meter stroll, easing down as he crossed the line in his trademark style.

CNN: Athletics: Bolt eases to 100m win in London

When he crossed the line after 9.63 seconds he was a good meter ahead of the field.

CNN: Olympic Bolt: Witness report of historic 100m