Cohort progression — PLAVALNI KLUB BRANIK MARIBOR
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 freestyle100 freestyle50 backstroke50 breaststroke50 butterfly200 freestyle100 backstroke100 breaststroke400 freestyle200 breaststroke200 medley100 butterfly100 medley200 backstroke800 freestyle200 butterfly400 medley1500 freestyle
Cohorts to compare: 2015 42014 82013 252012 222011 352010 262009 132008 182007 112006 62005 52004 62002 42001 32000 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2014 born 2013 born 2012