Cohort progression — Simklubben S02
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 backstroke50 breaststroke100 breaststroke200 freestyle100 backstroke100 butterfly200 medley200 breaststroke100 medley400 freestyle200 backstroke400 medley25 freestyle200 butterfly800 freestyle25 butterfly1500 freestyle
Cohorts to compare: 2017 52016 32015 82014 32013 122012 162011 162010 162009 182008 202007 92006 72005 52004 32003 52002 4
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2017 born 2015