Cohort progression — Ängelholms 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 freestyle50 breaststroke50 backstroke100 freestyle50 butterfly100 backstroke100 breaststroke100 medley200 freestyle100 butterfly200 medley25 butterfly400 freestyle200 breaststroke200 backstroke25 freestyle25 breaststroke800 freestyle200 butterfly25 backstroke
Cohorts to compare: 2016 42015 102014 252013 152012 102011 152010 132009 62008 92007 62005 42004 52003 31999 4
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015 born 2014 born 2013