Cohort progression — Aquarius MOSIW Miedzyrzecz
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 backstroke100 backstroke100 medley200 medley50 breaststroke200 freestyle400 freestyle100 breaststroke200 backstroke
Cohorts to compare: 2011 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2011