“At the end of the day, this is just about fairness,” Chelsea Mitchell told The Post. “This is about biology.”

The 20-year-old is fighting for the integrity of women’s sports after she lost more than 20 races over the course of her high school career — thanks to a Connecticut policy that allows transgender athletes to compete in girls’ sports.

Now, Mitchell, who has declared herself “the fastest girl in Connecticut,” is challenging her state’s policy in court.

Mitchell is teaming up with fellow Connecticut residents Selina Soule, 20, Ashley Nicoletti, 19, and Alanna Smith, 19, who ran high school track in the state at the same time she did.

[All I can say is, “You GO, girls!” Saw her on Watters last night and she is something else. And what they allowed MEN to take from her? I hope she and the other girls wind up owning the state. How her parents maintained their cool while this outrage was being perpetrated against their daughters, I have no idea. Probably threats of arrest, jail, and ruin right? ~ Beege]