Cohort progression — KS Górnik Sosnowiec
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 freestyle50 butterfly200 freestyle100 medley50 breaststroke50 backstroke400 freestyle100 backstroke100 butterfly100 breaststroke200 medley200 butterfly200 breaststroke800 freestyle200 backstroke25 freestyle400 medley25 backstroke25 breaststroke
Cohorts to compare: 2016 32014 62013 122012 122011 172010 122009 132008 92006 42005 112004 72003 152002 132001 71999 41998 6
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2014 born 2013 born 2012