Cohort progression — UKP 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 backstroke100 breaststroke200 freestyle200 medley100 butterfly400 freestyle200 breaststroke400 medley200 butterfly200 backstroke800 freestyle25 freestyle25 backstroke1500 freestyle
Cohorts to compare: 2017 32015 72014 32013 112012 352011 142010 242009 152008 252007 132006 182005 222004 212003 282002 492001 172000 341999 111997 51996 71995 51993 5
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015 born 2013