Cohort progression — Falköpings 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 backstroke50 breaststroke50 freestyle100 freestyle100 breaststroke50 butterfly100 backstroke200 breaststroke25 butterfly200 medley25 backstroke100 medley25 breaststroke100 butterfly25 freestyle200 freestyle200 butterfly
50 m backstroke men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015 born 2014