Cohort progression — Liceul cu program sportiv Viitorul Pitesti
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 breaststroke100 freestyle50 butterfly200 medley50 breaststroke200 breaststroke100 backstroke50 backstroke100 butterfly200 freestyle200 backstroke200 butterfly400 freestyle100 medley400 medley
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2011 born 2010 born 2007