Cohort progression — OI Svømming
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 freestyle50 butterfly50 breaststroke50 backstroke100 backstroke100 breaststroke200 freestyle100 butterfly200 backstroke200 medley400 freestyle200 breaststroke200 butterfly400 medley
Cohorts to compare: 2013 92012 172011 152010 62009 52008 52007 62006 62005 52004 62002 32001 41999 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2012 born 2011