Cohort progression — Silkeborg 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 butterfly50 freestyle100 freestyle50 backstroke50 breaststroke100 medley100 backstroke100 breaststroke200 freestyle200 medley200 breaststroke100 butterfly200 backstroke400 freestyle400 medley200 butterfly25 freestyle800 freestyle25 backstroke1500 freestyle
Cohorts to compare: 2017 52016 72015 142014 112013 142012 92011 142010 92009 122008 32007 62006 32005 32003 4
50 m butterfly men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2014