Cohort progression — Linköpings Allmänna SS
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 freestyle100 freestyle50 butterfly50 breaststroke50 backstroke200 freestyle100 backstroke100 breaststroke200 medley100 butterfly400 freestyle100 medley25 freestyle200 backstroke200 breaststroke25 backstroke25 breaststroke200 butterfly25 butterfly400 medley
Cohorts to compare: 2019 62018 182017 292016 322015 362014 312013 372012 232011 282010 302009 232008 132007 92006 62005 82004 122003 152002 72001 52000 31999 41998 41997 41996 51992 31990 41983 31981 31979 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2017 born 2016