World Records Tumble Again as Kubiak, Trimi, and Brazil’s Relay Shine: Para Worlds Day 4 Recap

2025 World Para Swimming Championships

• September 21-27, 2025
• OCBC Aquatic Centre – Singapore
• LCM (50 Meters)
• Meet Central
• YouTube Livestream Channel
• Results

Day three of the 2025 World Para Swimming Championships in Singapore produced another flurry of world-class performances, with multiple global records rewritten across individual and relay events.

American Katie Kubiak shattered the women’s 50 backstroke S4 mark twice in one day, Italian Arjola Trimi slashed more than 10 seconds from her own 200 freestyle S2 record, and Brazil’s mixed 4×100 medley relay squad surged to a world-best time.

Para Athlete Classifications:

• Physical Impairment: S1-S10
• Visual Impairment: S11-S13
• Intellectual Impairment: S14

Prefixes Explanation:

• S: Freestyle, Butterfly and Backstroke
• SB: Breaststroke
• SM: IM

Day Three Highlights:

Kubiak demolished the women’s 50 backstroke S4 world record twice, first establishing a new mark of 44.13 in the prelims before getting down to 42.66 in the final to become the first woman in the S4 classification to dip under the 44 and 43-second barriers in the event.

Trimi obliterated her own world record in the women’s 200 free S2, taking over 10 seconds off her previous mark of 4:35.36 from July n 4:24.56 to take gold in Singapore. Fabiola Ramirez Martinez (MEX) finished 3rd in 5:12.66, marking a new Americas Record.

The Brazilian mixed 4×100 medley relay 49pts team of Carol Santiago, Guilherme Batista Silva, Thomaz Rocha Matera, and Lucilene Da Silva Sousa took down the world record in 4:23.48, topping the previous record from Ukraine in 4:25.78 from Manchester in 2023. In the same race, Spain took down the European Record in 4:25.33, and Japan marked a new Asian Record, finishing 3rd in 4:37.90.

Gia Pergolini was the first American on the podium on day four. She earned gold in the women’s 100 backstroke S13, touching in 1:05.49, 77 one-hundredths ahead of Ireland’s Roisin Ni Riain (1:06.26).

Australia’s Callum Simpson clinched an Oceanian Record in the men’s 100 freestyle S8, taking gold in 57.15 over Italy’s Alberto Amodeo (57.88).

Great Britain’s Alice Tai picked up her fourth individual world title in the women’s 100 freestyle S8 in 1:05.49. Tai has now won an individual world title in each of the first four days of these Para World Championships.

China’s Jiang Yuyan continued her exceptional showing in Singapore with a Championship Record-setting performance in the women’s 400 freestyle S6, clocking 5:10.68 to win her third individual gold at the meet. Switzerland’s Nora Meister also notched a new European Record in the event with her silver medal-winning 5:12.39.

Russian Roman Zhdanov backed up his win in the men’s 150 IM SM4 on Tuesday with a Championship Record-breaking time on Wednesday in the men’s 50 backstroke S4 final, touching in 41.47 to lower his own record time from 2021 of 41.50.

Gabriel Geraldo Dos Santos Araujo got in on the Championship Record-breaking action with a win in the men’s 200 freestyle S2, clocking 3:58.45, finishing over eight and a half seconds ahead of the rest of the field.

The British mixed 4×100 freestyle relay S14 team of William Ellard, Poppy Maskill, Dylan Broom, and Georgia Sheffield cracked the Championship Record from 2019 in 3:42.21 with a finals performance of 3:41.14. Brazil finished 2nd in 3:45.36 to set a new Americas Record.

Australia’s Alexa Leary set the Championship Record in the prelims of the women’s 100 freestyle S9 in 58.95, but fell just off that pace in finals, still earning gold in finals in 59.19, finishing nearly two and a half seconds ahead of the field.

Other Day Four Event Winners:

• Men’s 100 Back S13: Egor Bolotov (UZB)
• Men’s 200 IM SM11: Danylo Chufarov (UKR)
• Women’s 200 IM SM11: Daria Lukianenko (NPA)
• Men’s 400 Free S6: Antonio Fantin (ITA)
• Men’s 100 Breast SB12: Timofei Guk (NPA)
• Women’s 100 Breast SB12: Mariia Latrirskaia (NPA)
• Men’s 200 Free S1: Anton Kol (UKR)
• Men’s 50 Back S3: Denys Ostapchenko (UKR)
• Women’s 50 Back S3: Ellie Challis (GBR)
• Men’s 200 IM SM5: Guo Jincheng (CHN)
• Women’s 200 IM SM5: He Shenggao (CHN)
• Men’s 100 Back S7: Andrii Trusov (UKR)
• Women’s 100 Back S7: Veronika Korzhova (UKR)
• Men’s 100 Free S9: Simone Barlaam (ITA)

Medal Table After Day Four: