Cohort progression — Korner Zielona Góra
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 freestyle100 backstroke50 backstroke200 freestyle50 butterfly200 backstroke100 breaststroke200 medley50 breaststroke100 medley400 freestyle100 butterfly200 breaststroke800 freestyle200 butterfly400 medley1500 freestyle
Cohorts to compare: 2005 72004 222003 292002 172001 262000 321999 51998 181997 161996 151995 111994 41993 51992 61991 41987 3
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2004 born 2003 born 2002