Cohort progression — Śródmiejski UKS Polna Warszawa

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 50 backstroke 50 breaststroke 100 breaststroke 50 butterfly 100 backstroke 200 freestyle 100 medley 200 breaststroke 200 medley 100 butterfly 400 freestyle 200 backstroke 200 butterfly 400 medley

Cohorts to compare: 2009 6 2008 8 2007 10 2006 17 2005 15 2004 9 2003 9 2002 9 2001 14 2000 3 1999 18 1998 4 1975 3

50 m freestyle men · 25 m pool

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

born 2009 born 2008 born 2007 born 2006

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