Cohort progression — AZS KU Politechniki Opolskiej
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 butterfly100 freestyle50 breaststroke100 breaststroke50 backstroke200 medley200 freestyle100 butterfly100 medley100 backstroke400 freestyle200 breaststroke200 backstroke200 butterfly800 freestyle25 backstroke25 freestyle
Cohorts to compare: 2017 32016 62015 52014 102013 52012 82011 72010 72009 62008 52007 102006 52004 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2014