Cohort progression — Vest Brøndby
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 freestyle100 medley50 backstroke100 backstroke50 breaststroke50 butterfly100 breaststroke200 freestyle200 medley100 butterfly200 breaststroke200 backstroke200 butterfly400 medley400 freestyle800 freestyle
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015 born 2014 born 2013