Cohort progression — Squatina Ostrołęka

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 breaststroke 50 freestyle 100 breaststroke 50 butterfly 50 backstroke 100 freestyle 100 medley 100 backstroke 200 breaststroke 200 medley 100 butterfly 200 freestyle 25 freestyle 25 breaststroke 200 backstroke 400 medley 25 backstroke 400 freestyle

Cohorts to compare: 2016 4 2012 3 2011 10 2009 3 2008 8 2007 6 2006 24 2005 10 2004 11 2003 10 2002 4

50 m breaststroke men · 25 m pool

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

born 2011

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