Cohort progression — LKS"OMEGA" Kleszczów
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 freestyle400 freestyle200 freestyle50 butterfly800 freestyle50 backstroke100 backstroke50 breaststroke1500 freestyle200 backstroke100 breaststroke100 medley200 medley400 medley
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2007 born 1993