Cohort progression — KS ,,HARPUN'' Osiecznica
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 backstroke100 backstroke50 butterfly100 breaststroke50 breaststroke100 medley200 freestyle200 medley100 butterfly400 freestyle200 breaststroke200 backstroke
Cohorts to compare: 2018 62017 102016 162015 112014 132013 142012 82011 102010 32008 42007 62004 42003 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2017 born 2016 born 2015