Cohort progression — UKS Delfin Nowy Targ
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 breaststroke100 backstroke100 medley50 butterfly25 freestyle25 backstroke200 medley200 freestyle200 backstroke200 breaststroke25 breaststroke400 freestyle100 butterfly25 butterfly800 freestyle
Cohorts to compare: 2018 42017 102016 122015 162014 292013 92012 92011 122010 162009 122008 72007 142006 142005 32004 8
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015