Cohort progression — Danderyd Simklubb
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 breaststroke200 freestyle50 backstroke100 breaststroke100 butterfly100 backstroke100 medley200 medley400 freestyle200 breaststroke200 backstroke200 butterfly800 freestyle1500 freestyle400 medley25 butterfly25 freestyle
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015 born 2014 born 2013 born 2012