Cohort progression — Kristianstads SLS
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 breaststroke50 backstroke100 breaststroke50 butterfly100 backstroke200 freestyle100 butterfly200 medley100 medley200 breaststroke400 freestyle200 backstroke200 butterfly400 medley25 freestyle25 butterfly25 breaststroke800 freestyle
Cohorts to compare: 2017 52016 152015 152014 242013 142012 132011 102010 72009 152008 92007 52006 92005 5
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015 born 2014