Answer: fourminutemile

AnswerCrossword Clue
FOURMINUTEMILE

What Bannister broke

FOURMINUTEMILE

Roger Bannister first broke it

FOURMINUTEMILE

Sports barrier broken in '54

FOURMINUTEMILE
Broken record.
FOURMINUTEMILE
Roger Bannister feat
FOURMINUTEMILEBannister achievement of 1954