Since turning 40 , he has now bagged an astonishing four world masters records in three weeks .
Lagat also set a new masters record for 1,500 m en route by four seconds , running 3 : 40 : 20 .
Since turning 40 , Lagat has now bagged an astonishing four world masters records in three weeks .
Lagat also set a new masters record for 1,500 m en route by four seconds , running 3 : 40 : 20 .