Cohort progression — UKS Energetyk Zgorzelec
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 butterfly100 freestyle50 backstroke50 breaststroke100 medley100 breaststroke100 backstroke200 medley100 butterfly200 freestyle400 freestyle200 backstroke25 freestyle25 backstroke200 butterfly800 freestyle200 breaststroke400 medley25 breaststroke
Cohorts to compare: 2015 52014 42013 82012 42011 112010 52009 142008 112007 112006 162005 122004 82003 92002 32001 32000 51999 51996 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015 born 2014 born 2013