Cohort progression — Norrtälje 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: 50 freestyle50 breaststroke100 freestyle50 backstroke100 breaststroke50 butterfly100 medley100 backstroke200 freestyle200 breaststroke25 freestyle200 medley100 butterfly400 freestyle25 breaststroke25 backstroke200 backstroke25 butterfly800 freestyle
Cohorts to compare: 2018 52017 72016 162015 62014 92013 102012 182011 102010 62009 62008 42007 42004 41983 31960 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016