Cohort progression — Föreningen Uddevalla Sim
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 freestyle200 freestyle50 backstroke50 breaststroke50 butterfly100 backstroke100 breaststroke200 medley400 freestyle100 butterfly200 backstroke200 breaststroke100 medley800 freestyle200 butterfly1500 freestyle400 medley25 butterfly25 freestyle
Cohorts to compare: 2016 52015 122014 122013 222012 172011 162010 252009 232008 102007 162006 72005 112004 52003 32002 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015 born 2014 born 2013