Cohort progression — Swimming Club Rovaniemi
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 breaststroke25 freestyle50 backstroke25 backstroke100 breaststroke200 freestyle50 butterfly100 backstroke100 medley400 freestyle200 medley25 breaststroke200 breaststroke100 butterfly200 backstroke25 butterfly800 freestyle400 medley
Cohorts to compare: 2017 182016 242015 232014 232013 242012 132011 112010 42009 42007 72003 32002 32001 71996 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2017 born 2015 born 2014