Cohort progression — Ślaskie WOPR
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 carry100 manikin tow with fins100 manikin carry with fins50 unknown100 rescue medley200 unknown100 obstacle swim200 super lifesaver200 obstacle swim50 manikin carry with fins50 manikin tow with fins100 super lifesaver
Cohorts to compare: 2014 42013 42012 122011 102010 162009 132008 122007 52006 102004 42003 92002 82001 42000 51998 31996 41992 4