Cohort progression — Plavecký oddíl Frýdek-Místek
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 backstroke100 freestyle100 medley50 breaststroke100 backstroke50 butterfly100 breaststroke200 breaststroke200 freestyle100 butterfly
Cohorts to compare: 2016 72013 52011 72010 32009 52008 32007 62006 102005 112004 32003 82002 52001 31999 31997 4
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2011 born 2010