Cohort progression — Lahden Uimaseura
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 freestyle50 butterfly50 backstroke50 breaststroke100 backstroke100 breaststroke200 medley100 medley200 freestyle100 butterfly400 freestyle200 backstroke200 breaststroke800 freestyle400 medley200 butterfly1500 freestyle25 freestyle
Cohorts to compare: 2017 42016 42015 92014 192013 102012 102011 192010 132009 162008 72007 62006 32005 32004 72003 71995 41980 3
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015 born 2014