Cohort progression — Lidköpings Gymnastik o Simsällskap
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 breaststroke50 freestyle100 freestyle100 breaststroke50 backstroke25 breaststroke25 backstroke25 freestyle50 butterfly200 medley100 butterfly100 backstroke200 breaststroke200 freestyle25 butterfly200 butterfly100 medley200 backstroke
50 m breaststroke men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015 born 2014