Cohort progression — As. Cl.Sp. "AQUA SPORT CITIUS" BUCURESTI
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 freestyle200 freestyle50 butterfly50 breaststroke200 medley100 backstroke50 backstroke100 breaststroke100 butterfly400 freestyle200 breaststroke200 backstroke200 butterfly100 medley800 freestyle400 medley