Cohort progression — UKS MANTA Kochłowice Ruda Śląska
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 butterfly50 backstroke50 breaststroke100 medley100 breaststroke100 backstroke200 freestyle100 butterfly400 freestyle200 medley200 breaststroke200 backstroke200 butterfly25 freestyle800 freestyle25 backstroke25 breaststroke400 medley
Cohorts to compare: 2018 62017 142016 192015 242014 272013 252012 372011 382010 312009 342008 342007 322006 402005 242004 152003 302002 192001 142000 41999 121998 121997 6
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015