Cohort progression — Lithuania
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 200 freestyle100 freestyle100 breaststroke100 backstroke400 freestyle200 breaststroke200 backstroke50 freestyle50 backstroke50 breaststroke200 medley100 butterfly50 butterfly
200 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2009 born 2008 born 2007 born 2006