Cohort progression — UKS Jagiellonka
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 100 freestyle50 freestyle50 backstroke100 backstroke100 breaststroke50 butterfly50 breaststroke200 freestyle100 medley200 medley400 freestyle200 backstroke100 butterfly200 breaststroke
Cohorts to compare: 2007 212006 172005 172004 272003 222002 222001 142000 221999 111998 151997 81996 61995 9