Ana Caldas is a transgender swimmer who recently made headlines winning five events at the US Masters Swimming Spring National Championship
During the competition that took place in San Antonio, Texas, Caldas seemingly dominated and left her competitors far behind.
Caldas’ performance caused quite the controversy in the sport as in the 50-yard breast stroke race, Caldas finished in 29.74 seconds, beating second place by more than three seconds.
Who is transgender swimmer Ana Caldas, bio, real name, biological gender, height, nationality and swimming career
Transgender swimmer wins 5 women’s races at National Championship event.
Male swimmer Ana Caldas smashed the female competition in the 50- and 100-yard breaststroke races by four seconds while finishing 3 seconds ahead in the 100-yard freestyle event.
In total, the swimmer… pic.twitter.com/CP14yeWvwF
— Oli London (@OliLondonTV) May 2, 2025
Ana Caldas, a man pretending to be a woman, recently won ALL FIVE RACES he entered in the WOMEN'S division for the US Masters Swimming Spring National Championship in TX.
INSANITY. pic.twitter.com/NKBc8ZdRk9
— Libs of TikTok (@libsoftiktok) May 1, 2025
Caldas was competing in the women’s 45-49 age group division, and her performances have further reignited the national debate around transgender participation in women’s sports.
Ana Caldas wins 5 races at national championship event
Ana Caldas is a transgender swimmer who recently dominated the U.S. Masters Swimming Spring Nationals. Caldas won a total of five gold medals in individual events. Aside from winning the events, she simply crushed the competition in the 50- and 100-yard breaststroke. Ana won with an astonishing four seconds ahead of the next swimmer and also won the 100-yard freestyle, with a three-second gap.
Reactions
Unsurprisingly, Ana Caldas’s win has sparked intense reactions online, with former collegiate swimmer and women’s sports advocate Riley Gaines calling the situation a “real-life South Park episode”. Riley also intentionally misgendered Caldas in her criticism. Meanwhile, activist Beth Bourne called the outcome “insanity” and noted that such dominating margins are simply not normal in sprint races. The Independent Council on Women’s Sports also described Ana’s victories as “absolutely insane” and accused her of mocking the sport.
Ana Caldas bio
Ana Caldas is a Brazilian-American competitive swimmer, who is also an artist and yoga instructor. Over the years, she has remained active in athletic circles, particularly in swimming through the U.S. Masters Swimming program. She is currently going viral following her dominant win across five swimming events under the women’s category. Ana Caldas has so far participated in numerous Masters-level swimming competitions over the years. Her recent performance at the 2025 Spring Nationals was her most high-profile achievement.
Ana Caldas has competed at the CrossFit Games three times and her most recent appearance was in the Women’s Masters 40-44 year-old division in 2021 where she placed 7th overall.
Ana, who has also gone by the name, Hannah, was born a biological male as Hugo Caldas. she was an Olympic hopeful back in 2012, but fell just short of qualifying for the London Olympics in the 50m freestyle by 0.3 seconds and that’s when Caldas turned to CrossFit.
The transgender swimmer won five women’s races at the U.S. Masters Swimming Spring National Championship last weekend as she dominated all five races the athlete competed in, taking gold in the women’s age 45-49 category in five races, including the 50- and 100-yard breaststroke, freestyle and the 100-yard individual medley.
Results from 2025 U.S. Masters Swimming Spring National Championship
Women's Results
Women 45-49 50 Yard Freestyle Finals
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Pl Name Age Club Seed Time Final Time Points
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1 Caldas, Ana C 47 O2 24.34 24.17 11.00
Women 45-49 50 Yard Freestyle from Split Requests
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Pl Name Age Club Seed Time Final Time Points
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--- Caldas, Ana C 47 O2 NT 24.44
Women 45-49 100 Yard Freestyle Finals
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Pl Name Age Club Seed Time Final Time Points
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1 Caldas, Ana C 47 O2 53.24 53.16 11.00
25.59 53.16(27.57)
Women 45-49 100 Yard Freestyle from Split Requests
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Pl Name Age Club Seed Time Final Time Points
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--- Caldas, Ana C 47 O2 NT 53.12
Women 45-49 50 Yard Breaststroke Finals
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Pl Name Age Club Seed Time Final Time Points
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1 Caldas, Ana C 47 O2 30.61 29.74 11.00
Women 45-49 100 Yard Breaststroke Finals
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Pl Name Age Club Seed Time Final Time Points
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1 Caldas, Ana C 47 O2 1:08.38 1:06.69 11.00
30.70 1:06.69(35.99)
Women 45-49 100 Yard Individual Medley Finals
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Pl Name Age Club Seed Time Final Time Points
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1 Caldas, Ana C 47 O2 1:03.10 1:01.72 11.00
28.03 1:01.72(33.69)Relay Results
Mixed 35+ 200 Yard Freestyle Relay
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Pl Name Sex/Age Club Seed Time Final Time Points
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2 O2 'A' X35+ O2 1:22.67 1:34.02 18.00
1) Caldas, Ana C (F47) 2) Ferreira, Renato M (M44)
3) Arndt, Marien E (F41) 4) Maia, Felipe S (M41)
24.44(24.44) 47.07(22.63) 1:12.24(25.17) 1:34.02(21.78)
Mixed 35+ 400 Yard Freestyle Relay
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Pl Name Sex/Age Club Seed Time Final Time Points
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1 O2 'A' X35+ O2 3:27.00 3:27.83 22.00
1) Caldas, Ana C (F47) 2) Ferreira, Renato M (M44)
3) Arndt, Marien E (F41) 4) Maia, Felipe S (M41)
25.57(25.57) 53.12(27.55) 1:16.73(23.61) 1:43.27(26.54)
2:10.21(26.94) 2:39.50(29.29) 3:02.58(23.08) 3:27.83(25.25)‘Real-Life South Park Episode’: Transgender Swimmer Ana Caldas Wins 5 National Titles
by inAllThatIsInteresting
Age and height
Age 47 Ana Caldas who was born a biological male was competing in the 45-49 age bracket. Caldas stands approximately at a height of 5 feet 9 inches (175 cm).
Education
Ana Caldas reportedly studied architecture and design in Brazil before moving to the U.S.