Cohort progression — CKS Szczecin
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 unknown50 manikin carry50 unknown50 manikin carry with fins100 manikin carry with fins50 manikin tow with fins100 manikin tow with fins100 obstacle swim100 rescue medley200 unknown50 super lifesaver200 obstacle swim50 rescue medley200 super lifesaver50 freestyle100 freestyle50 backstroke50 breaststroke100 breaststroke200 freestyle
Cohorts to compare: 2016 172015 92014 252013 312012 152011 192010 452009 142008 222007 232006 152005 112004 102003 132002 52001 102000 101999 51998 41997 51996 131995 71994 11