Cohort progression — Clubul Sportiv Farul Constanta
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 freestyle200 freestyle100 backstroke50 butterfly100 butterfly400 freestyle200 backstroke200 medley100 breaststroke50 breaststroke50 backstroke100 medley200 breaststroke800 freestyle
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2012 born 2011