Cohort progression — MTP Lublinianka
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 backstroke100 freestyle50 breaststroke50 butterfly100 backstroke100 breaststroke100 medley200 freestyle200 medley400 freestyle100 butterfly200 backstroke200 breaststroke25 backstroke25 freestyle400 medley25 breaststroke800 freestyle200 butterfly
Cohorts to compare: 2018 112017 102016 192015 222014 282013 142012 362011 342010 472009 382008 452007 312006 362005 222004 242003 152002 92001 52000 121999 301998 111997 61996 51995 31993 5
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015