Cohort progression — Turun Urheiluliitto
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 freestyle400 freestyle50 backstroke50 butterfly100 butterfly100 backstroke200 freestyle200 backstroke50 breaststroke200 medley100 breaststroke800 freestyle100 medley400 medley1500 freestyle200 breaststroke200 butterfly
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2014