Cohort progression — UKS G-8 Bielany
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 freestyle50 backstroke100 backstroke50 butterfly100 breaststroke200 freestyle50 breaststroke100 butterfly200 medley200 backstroke400 freestyle100 medley200 breaststroke200 butterfly400 medley800 freestyle1500 freestyle
Cohorts to compare: 2017 52014 52013 82012 42011 232010 142009 192008 332007 582006 772005 492004 472003 512002 442001 452000 471999 371998 211997 171996 201995 81994 31993 191992 7