Cohort progression — Simklubben Ran
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 backstroke100 backstroke50 butterfly100 breaststroke50 breaststroke200 freestyle100 butterfly200 medley100 medley400 freestyle200 backstroke200 breaststroke200 butterfly25 butterfly800 freestyle400 medley200 unknown1500 freestyle
Cohorts to compare: 2017 32016 142015 122014 242013 172012 242011 242010 232009 122008 152007 82006 52005 82004 31997 3
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2014