Cohort progression — Športno društvo Aqua
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 freestyle50 breaststroke50 backstroke100 freestyle100 breaststroke50 butterfly100 backstroke200 freestyle200 breaststroke400 freestyle200 backstroke100 medley200 medley100 butterfly400 medley800 freestyle1500 freestyle200 butterfly25 backstroke25 freestyle
Cohorts to compare: 2018 42017 102016 112015 172014 142013 232012 112011 162010 112009 92007 62006 4
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2018 born 2016 born 2015