Cohort progression — Sochaczewskie WOPR
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 unknown100 unknown50 manikin carry50 manikin carry with fins50 manikin tow with fins50 super lifesaver100 freestyle50 freestyle100 breaststroke50 backstroke100 backstroke100 manikin carry with fins100 obstacle swim100 manikin tow with fins200 unknown
50 m UNKNOWN men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2013