Cohort progression — Dorotea IF
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 freestyle100 breaststroke200 freestyle100 medley200 breaststroke50 backstroke50 butterfly100 backstroke200 backstroke400 freestyle25 freestyle100 butterfly25 breaststroke25 butterfly200 medley25 backstroke
Cohorts to compare: 2011 3