Cohort progression — IUKS Muszelka Warszawa
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 freestyle400 freestyle200 freestyle50 freestyle400 medley100 butterfly200 butterfly100 backstroke50 butterfly200 medley50 backstroke1500 freestyle200 backstroke800 freestyle100 breaststroke100 medley50 breaststroke200 breaststroke
Cohorts to compare: 2014 102013 82012 102011 72010 212009 72008 62007 32006 62005 62004 82003 82002 212000 201999 24
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2014 born 2012 born 2011