Cohort progression — KS Fenix Ożarów Mazowiecki
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 100 freestyle50 freestyle50 backstroke100 backstroke200 freestyle100 breaststroke50 breaststroke100 butterfly50 butterfly400 freestyle200 backstroke200 medley200 breaststroke25 freestyle400 medley200 butterfly100 medley25 backstroke
Cohorts to compare: 2017 112016 172015 112014 182013 142012 82010 132009 102008 222007 142004 112001 32000 6
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015 born 2014