[Pentagon Leatherneck]

They said nobody could break the sub-4-minute mile until Dr Roger Bannister did it. Now high school milers do it every year.

TC

[Az Joe]

sub 4 minute mile done on ....wait for it... May 6, 1954

[wardaddy]

High school boys is 3:53 and now 10 years old

Considered by most to be a tough one to top