Cohort progression — Sport Club Municipal Bacau
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 butterfly100 freestyle200 freestyle50 backstroke200 medley100 butterfly100 backstroke50 breaststroke100 breaststroke400 freestyle200 butterfly200 backstroke200 breaststroke100 medley800 freestyle400 medley