Cohort progression — UKS KURORT Ciechocinek
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 50 freestyle50 breaststroke50 backstroke100 freestyle50 butterfly100 breaststroke100 backstroke100 medley100 butterfly25 backstroke25 freestyle200 backstroke25 breaststroke200 medley200 freestyle25 butterfly200 breaststroke
Cohorts to compare: 2010 132008 42007 162006 42005 92004 222003 42002 82001 182000 71999 91998 31997 6
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2010 born 2007 born 2006