Cohort progression — UKS Huragan Sosnowiec
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 backstroke50 butterfly100 medley100 breaststroke100 backstroke200 freestyle200 breaststroke100 butterfly200 backstroke400 freestyle200 medley200 butterfly800 freestyle25 freestyle25 backstroke1500 freestyle
Cohorts to compare: 2016 72015 142014 162012 72011 92010 32009 82008 172007 222006 112005 92004 152003 52002 82001 62000 101999 31998 71996 31993 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015