Cohort progression — UKS Junior Kluczbork
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 butterfly200 freestyle50 backstroke50 breaststroke100 breaststroke200 medley100 backstroke100 medley100 butterfly400 freestyle200 breaststroke200 backstroke800 freestyle200 butterfly400 medley25 freestyle25 backstroke1500 freestyle
Cohorts to compare: 2015 52014 32013 102012 82010 112009 82008 82007 52006 42005 132004 72003 102002 152001 202000 191999 121998 31997 31995 4
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015 born 2014 born 2013 born 2012