Cohort progression — KS Warta 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: 50 freestyle100 freestyle50 butterfly50 backstroke100 breaststroke50 breaststroke200 freestyle100 backstroke200 medley400 freestyle100 butterfly100 medley200 breaststroke200 backstroke25 backstroke200 butterfly25 freestyle800 freestyle400 medley1500 freestyle
Cohorts to compare: 2018 222017 522016 852015 642014 712013 602012 532011 592010 572009 442008 572007 412006 282005 302004 332003 412002 332001 442000 521999 301998 161997 331996 241995 241994 181993 131992 231991 41990 51989 31987 41986 41985 41983 101982 51981 51980 41979 51978 51977 41969 31962 41957 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015