65 % of all Winners of the BC Mile have been 3 or 4 yr olds 3 yr olds won 9/34 or 26 % 4 yr olds won 13/34 or 38 % 4 Yr olds hold a percentage edge 38 % to 26 % over the 3 yr olds 5 yr olds 7/34 or 21 % 6 yr old 4/34 or 12 % 7 yr olds 1/34 or 3 %