Cohort progression — ULKS Mazowsze Miętne
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 butterfly25 freestyle25 backstroke100 freestyle100 medley25 breaststroke25 butterfly100 backstroke100 breaststroke100 butterfly200 medley
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2017