Cohort progression — WOPR Wielkopolska
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 manikin carry100 rescue medley200 obstacle swim100 manikin carry with fins100 unknown200 super lifesaver100 manikin tow with fins
50 m manikin carry men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 1993