Otherwise, have male, female, and it.
And it offends the sensibilities of the activist types to say, which chromosomes or genitals does a person have, to determine the sex of an individual.
Something which used to straightforward has become difficult to deal with because so many are kowtowing to these activists and their demands.
Sex. The word for the quality you are trying to describe is "sex." My sex is female. My gender is utterly irrelevant to my performance as a runner, but my sex is relevant.