Cohort progression — Plavalni klub Rudar Trbovlje
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 200 medley100 freestyle50 backstroke100 breaststroke400 medley200 freestyle200 breaststroke400 freestyle100 butterfly50 freestyle50 breaststroke200 butterfly50 butterfly100 medley100 backstroke200 backstroke800 freestyle25 backstroke25 breaststroke25 freestyle