Cohort progression — Etiska Simsällskapet
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 breaststroke50 freestyle50 butterfly50 backstroke100 freestyle100 breaststroke100 medley100 backstroke200 breaststroke200 medley
Cohorts to compare: 2007 3
50 m breaststroke men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2007