Cohort progression — SMS Kraków
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 backstroke50 butterfly50 freestyle100 freestyle100 butterfly50 backstroke200 medley200 freestyle100 breaststroke200 backstroke400 freestyle50 breaststroke200 breaststroke200 butterfly400 medley800 freestyle1500 freestyle100 medley
Cohorts to compare: 2010 202009 122008 122007 92006 62005 82004 142003 212002 222001 202000 81999 171998 141997 371996 311995 171994 111993 151992 41991 3
100 m backstroke men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2008 born 2007