Cohort progression — A-Club Swimming Team Savosa
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 400 freestyle50 breaststroke100 breaststroke100 backstroke100 freestyle200 freestyle200 medley200 breaststroke200 backstroke200 butterfly50 backstroke100 butterfly50 freestyle400 medley50 butterfly800 freestyle1500 freestyle