Cohort progression — Helsingør Svømmeklub
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 butterfly50 breaststroke50 backstroke100 backstroke100 breaststroke200 freestyle100 butterfly100 medley200 breaststroke200 medley200 backstroke400 freestyle200 butterfly400 medley25 butterfly800 freestyle
Cohorts to compare: 2015 42014 62013 82012 162011 172010 122009 62008 52007 62006 32005 42004 32003 52002 52000 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2013 born 2012