Cohort progression — Aalborg 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: 100 freestyle50 butterfly50 freestyle50 backstroke50 breaststroke100 medley100 backstroke200 freestyle200 medley100 breaststroke100 butterfly200 breaststroke200 backstroke400 freestyle400 medley200 butterfly800 freestyle1500 freestyle25 butterfly25 freestyle
Cohorts to compare: 2017 62016 162015 182014 232013 232012 242011 122010 212009 162008 152007 172006 132005 142004 32003 42002 32000 8
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2017 born 2016 born 2015 born 2014