Cohort progression — AZS UWM Olsztyn
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 400 freestyle200 freestyle800 freestyle50 breaststroke100 breaststroke100 freestyle50 freestyle200 breaststroke200 butterfly100 butterfly50 butterfly1500 freestyle100 backstroke50 backstroke200 backstroke400 medley
400 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 1992 born 1991