Swimmer Riley Gaines slams ESPN for Lia Thomas Women's History Month segment

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Riley Gaines, a 12-time All-American swimmer who competed at Kentucky, blasted ESPN for honoring Lia Thomas in its "Celebrating Women’s History Month" segment.

Gaines has been at the forefront of women’s sports calling for fair treatment and keeping transgender women from competing against biological females at the highest level of competition. Gaines tied with the former Penn swimmer at the NCAA championships last year. Thomas’ performance in the pool caused a national firestorm.

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University of Pennsylvania swimmer Lia Thomas and Kentucky swimmer Riley Gaines react after finishing tied for fifth in the 200 freestyle finals at the NCAA Swimming and Diving Championships on March 18, 2022, in Atlanta. (Rich von Biberstein/Icon Sportswire via Getty Images)

"Lia Thomas is not a brave, courageous woman who EARNED a national title," Gaines tweeted Sunday. "He is an arrogant, cheat who STOLE a national title from a hardworking, deserving woman. The @ncaa is responsible.

"If I was a woman working at ESPN, I would walk out. You're spineless @espn."

ESPN didn't immediately respond to Fox News Digital's request for comment.

The segment brought up Thomas’ transition from male to female, her win at the NCAA Championships and competing amid criticism from the swimming world.

Lia Thomas after winning the 500-yard freestyle during the NCAA Division I Women's Swimming and Diving Championship at the McAuley Aquatic Center on March 17, 2022, in Atlanta. (Mike Comer/NCAA Photos via Getty Images)

ESPN HONORS LIA THOMAS IN 'CELEBRATING WOMEN’S HISTORY MONTH' SEGMENT

"People will say, ‘Oh, she just