Cohort progression — UKS Ondraszek Bielsko Biała
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 freestyle50 backstroke50 breaststroke100 freestyle50 butterfly100 breaststroke100 backstroke100 medley200 medley100 butterfly200 breaststroke25 backstroke200 freestyle25 freestyle200 backstroke25 breaststroke400 freestyle200 butterfly25 butterfly400 medley
Cohorts to compare: 2015 32014 32012 62011 52010 72009 102008 132007 202006 282005 232004 272003 312002 82001 62000 131999 121998 71997 121996 61995 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2014 born 2011