Bolt 19.19

Frank Fredericks double his best 100m = 19.72 then take away 0.04
19.68 9.86

walter dix double his best 100m = 19.82 then take away 0.13
19.69 – 9.91

michael marsh double his best 100m = 19.86 then take away 0.13
19.73 - 9.93