Cohort progression — MUKS UNIA Busko Zdrój
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 freestyle100 breaststroke50 backstroke100 backstroke200 freestyle200 medley400 freestyle50 breaststroke50 butterfly200 breaststroke100 medley200 backstroke100 butterfly400 medley200 butterfly800 freestyle25 backstroke25 freestyle1500 freestyle
Cohorts to compare: 2018 32017 92016 62015 52014 142013 112012 52011 152010 72009 82008 102007 62006 102005 32004 32003 52002 82001 42000 61999 61998 41997 41996 4
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015