Cohort progression — KP H2O Jastrzębie-Zdrój
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 backstroke50 freestyle50 breaststroke100 medley100 freestyle50 butterfly100 breaststroke100 backstroke25 freestyle100 butterfly25 backstroke25 breaststroke200 medley200 freestyle200 backstroke200 breaststroke400 freestyle25 butterfly200 butterfly
Cohorts to compare: 2016 112015 52014 82013 92012 92011 102010 122009 122008 42007 132006 102005 132004 52003 92002 32001 92000 3
50 m backstroke men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2013