Cohort progression — Uinti-Vakka
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 freestyle100 freestyle50 breaststroke100 breaststroke50 backstroke400 freestyle200 freestyle200 breaststroke200 medley100 backstroke100 medley50 butterfly100 butterfly200 backstroke
Cohorts to compare: 2012 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2012