Cohort progression — Nyborg 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 freestyle100 medley50 butterfly100 backstroke100 breaststroke50 breaststroke50 backstroke200 freestyle100 butterfly200 medley200 breaststroke200 backstroke400 freestyle200 butterfly400 medley800 freestyle25 freestyle
Cohorts to compare: 2017 52016 162015 262014 62013 122012 92011 102010 82009 72008 122007 42006 42005 4
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2017 born 2016 born 2015