Cohort progression — St. KF KS ,,Fenix'' Ożarów Mazowiecki
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 100 freestyle50 freestyle50 butterfly100 backstroke200 freestyle100 butterfly50 backstroke400 freestyle100 breaststroke200 medley200 backstroke50 breaststroke200 butterfly200 breaststroke100 medley400 medley1500 freestyle800 freestyle
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2013