There has to be a mathematical formula for leveling the field. Maybe the woman has to swim the 1650, but the man swims a 2000.
> There has to be a mathematical formula for leveling the field. <
You just need a chromosome rule. Contestants can self-identify and dress as they wish. But XX competes with XX, and XY competes with XY.
(I am aware that a very small percentage of individuals are neither XX nor XY. Let those folks choose.)
how about men race men and women race women