For example , Jamaican - born Olympian Merlene Ottey in 2006 ran the 100 - meter dash in 11.34 seconds at the age of 46 .
But the tables have been controversial .
Jamaican - born Olympian Merlene Ottey in 2006 ran the 100 - meter dash in 11.34 seconds at the age of 46 .
But the tables have been controversial .