In 1991 , he set Australian records for 1500 m at 3 : 31.96 min and the Mile at 3 : 49.91 min .
In 1990 , Doyle won three Grand Prix meetings .
In 1991 , Doyle set Australian records for 1500 m at 3 : 31.96 min and the Mile at 3 : 49.91 min .
In 1990 , Doyle won three Grand Prix meetings .