Cohort progression — Gdynia Masters
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 breaststroke50 freestyle50 backstroke100 breaststroke50 butterfly100 backstroke100 medley200 breaststroke100 freestyle200 medley200 backstroke100 butterfly200 freestyle200 butterfly400 freestyle400 medley800 freestyle
50 m breaststroke men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 1973