Cohort progression — UKS SMS Galicja Kraków
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 butterfly50 backstroke100 backstroke50 breaststroke100 breaststroke100 medley200 medley200 freestyle100 butterfly400 freestyle200 backstroke200 breaststroke25 freestyle25 backstroke400 medley200 butterfly800 freestyle25 butterfly
Cohorts to compare: 2018 202017 572016 432015 332014 322013 382012 422011 472010 552009 442008 442007 362006 402005 362004 432003 462002 462001 472000 281999 341998 17
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015