Cohort progression — UKS MOS Ełk

Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.

Sex: WomenMen Pool: 25 m pool50 m pool

Event: 50 freestyle 100 freestyle 100 backstroke 50 backstroke 200 freestyle 50 butterfly 100 medley 200 backstroke 400 freestyle 100 breaststroke 50 breaststroke 200 medley 100 butterfly 200 breaststroke 800 freestyle 200 butterfly 1500 freestyle 400 medley

Cohorts to compare: 2010 7 2009 6 2008 5 2007 12 2006 10 2005 9 2004 10 2003 9 2002 5 2001 8 2000 13 1999 13 1998 7 1997 4 1996 10

50 m freestyle men · 25 m pool

X: swimmer age in season · Y: median season-best time

born 2010 born 2009 born 2008 born 2007

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