Cohort progression — SMS Poznań
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 100 freestyle50 freestyle200 freestyle100 backstroke50 backstroke50 butterfly100 butterfly200 medley400 freestyle50 breaststroke100 breaststroke200 backstroke200 butterfly200 breaststroke400 medley800 freestyle1500 freestyle
Cohorts to compare: 2010 122009 32008 32005 52004 62003 132002 182001 292000 131999 91998 61997 101996 141995 231994 71993 71992 12