Cohort progression — Karlstads 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 butterfly200 freestyle50 breaststroke400 freestyle100 backstroke100 breaststroke200 medley200 backstroke100 medley800 freestyle25 freestyle100 butterfly1500 freestyle25 backstroke25 breaststroke25 butterfly400 medley
Cohorts to compare: 2017 52016 82015 102014 92013 52012 92011 62010 32009 72008 42007 42006 42005 91996 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015 born 2014