Cohort progression — Uinti Tampere
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 freestyle100 backstroke100 breaststroke50 butterfly50 breaststroke50 backstroke200 freestyle200 medley100 butterfly400 freestyle200 breaststroke100 medley200 backstroke200 butterfly400 medley25 freestyle800 freestyle1500 freestyle
Cohorts to compare: 2018 122017 212016 262015 282014 332013 382012 402011 242010 242009 282008 342007 202006 172005 92004 172003 32002 32001 62000 41999 31998 31997 31996 31995 41984 3
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015