Cohort progression — UKS ,,Trójka'' Puławy
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 freestyle50 backstroke50 breaststroke50 butterfly100 freestyle100 medley100 breaststroke100 backstroke25 backstroke25 freestyle200 freestyle200 breaststroke200 medley100 butterfly400 freestyle200 butterfly200 backstroke25 breaststroke400 medley800 freestyle
Cohorts to compare: 2018 52017 32016 52014 42013 82012 82011 52009 52008 72007 142006 92005 62004 72003 152002 162001 62000 81999 41998 11
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2014