Cohort progression — Gladsaxe Svømmeklub
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 butterfly100 freestyle50 backstroke100 backstroke50 breaststroke100 breaststroke100 medley200 medley100 butterfly200 freestyle200 breaststroke200 backstroke400 freestyle200 butterfly400 medley800 freestyle25 freestyle1500 freestyle25 breaststroke
Cohorts to compare: 2017 42016 142015 172014 212013 202012 62011 102010 132009 102008 92007 82006 42005 62004 62003 32001 41997 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2017 born 2016 born 2015 born 2014