Cohort progression — Väsby 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 freestyle100 freestyle50 backstroke50 breaststroke50 butterfly100 backstroke100 breaststroke200 freestyle100 butterfly100 medley200 medley200 backstroke25 freestyle25 butterfly25 backstroke400 freestyle200 breaststroke25 breaststroke200 butterfly400 medley
Cohorts to compare: 2019 62018 202017 362016 772015 642014 762013 432012 382011 282010 292009 132008 132007 162006 92005 42004 72003 72002 72001 42000 61999 41975 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2017 born 2016