Cohort progression — UKS NAWA Skierniewice
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 backstroke50 butterfly100 backstroke50 breaststroke100 breaststroke100 butterfly200 freestyle200 backstroke200 medley200 butterfly100 medley200 breaststroke400 freestyle400 medley800 freestyle25 freestyle25 backstroke25 breaststroke
Cohorts to compare: 2018 92017 302016 372015 272014 152013 182012 152011 162010 182009 172008 192007 282006 132005 192004 122003 92002 112001 192000 261999 201998 101997 61996 91995 91994 41993 41991 41978 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015