Cohort progression — PK NOVI ZAGREB
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 backstroke50 freestyle50 breaststroke50 butterfly100 medley100 freestyle200 medley200 freestyle400 freestyle100 backstroke100 breaststroke200 breaststroke100 butterfly