Cohort progression — Malmö Kappsimningsklubb
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 50 freestyle100 freestyle50 breaststroke50 backstroke50 butterfly100 backstroke100 breaststroke200 freestyle100 butterfly200 medley100 medley200 backstroke200 breaststroke400 freestyle200 butterfly25 butterfly400 medley800 freestyle25 backstroke1500 freestyle
Cohorts to compare: 2017 232016 502015 592014 502013 532012 412011 292010 252009 192008 242007 172006 72005 152004 92003 62002 62001 52000 51999 31998 51997 51996 31994 51993 31990 41988 31984 31979 31968 31966 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015 born 2014