Cohort progression — Rybnicki Młodzieżowy Klub Sportowy
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 butterfly50 backstroke100 medley100 breaststroke50 breaststroke200 freestyle100 backstroke100 butterfly400 freestyle200 medley200 breaststroke200 backstroke25 backstroke25 freestyle
Cohorts to compare: 2015 82014 132013 172011 62010 82009 82008 82007 102005 92004 52001 52000 131999 141998 41997 81994 5
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2013 born 2011