Seems to have held very steady through out the decades. Women seem to always be about .90 time wise of the men's performance. Some interesting science why that always may be the case.
www.theatlantic.com/.../
Here's the last 5 years of swimmers age 80+ who completed a 1650. Does not account for DNF's, DQ's, or individuals who raced the 1650 multiple times in a season.
Season Men Women
2012 9 8
2011 10 11
2010 11 8
2009 8 6
2008 10 6
===================
Total 48 39
Source: www.usms.org/.../toptimes.php
Bad guess! But there were 46 men's times recorded for the 70-79 age group in 2012 alone. Can I still hide behind the small sample size argument?
Here's the last 5 years of swimmers age 80+ who completed a 1650. Does not account for DNF's, DQ's, or individuals who raced the 1650 multiple times in a season.
Season Men Women
2012 9 8
2011 10 11
2010 11 8
2009 8 6
2008 10 6
===================
Total 48 39
Source: www.usms.org/.../toptimes.php
Bad guess! But there were 46 men's times recorded for the 70-79 age group in 2012 alone. Can I still hide behind the small sample size argument?