Oldest person to run a sub-four minute mile?

Question

Oldest person to run a sub-four minute mile?

Answer 1

Eamon Coghlan at age 41 ran a 3:58.13 mile to be the first person 40 or over to run a sub 4:00 mile.

Answer 2

In 1994 Eamonn became the first and, as of April 2008 only -- man over age 40 to run a sub-four minute mile on the Harvard University indoor track. He was 41 at the time. (3:58.13)