Cohort progression — CSiR MOS Dąbrowa Grn.
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 butterfly50 freestyle200 freestyle100 butterfly100 backstroke50 backstroke50 breaststroke100 medley200 medley100 breaststroke400 freestyle200 backstroke400 medley200 breaststroke200 butterfly800 freestyle25 freestyle1500 freestyle
Cohorts to compare: 2014 92013 122012 102011 142010 182009 252008 202007 62006 32005 42004 42003 132002 92001 172000 131999 121997 161996 31993 5
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2014 born 2013 born 2012 born 2011