By Nicole Miller on SwimSwam
2025 U.S. OPEN
December 3-6, 2025 Austin, Texas Lee and Joe Jamail Texas Swimming Center Prelims: 10 a.m. EST Finals: 7 p.m EST (Day 1: 5 p.m. EST) LCM (50 meters) Meet Central Psych Sheets Live Results Live Recaps Finals: Day 1| Day 2 Prelims: Day 2 | Day 3Day 4 Prelims Heat Sheet
It’s the final day of the 2025 U.S. Open, featuring an exciting slew of events including the 50 butterfly, 200 backstroke, 200 breaststroke, 200 butterfly, and 100 freestyle. In addition, the 800 freestyle is set to kick-off at 5 PM tonight as the foreword to the final session of the meet.
After setting a new meet record in the 100 butterfly, Gretchen Walsh will be back in the pool for the 50 butterfly and 100 freestyle. In the 50 butterfly, she leads the field by over a second, while in the 100 freestyle, she will face-off against teammate Kate Douglass and Simone Manuel. Douglass is also swimming multiple events on the final day, with an entry in her signature 200 breaststroke event.
Summer McIntosh and Regan Smith are set to throw down in the 200 butterfly as the 1st and 2nd seeds. Following a strong performance in the 400 freestyle, McIntosh should be on World Record watch here. Smith will have a busy schedule as she is also the top seed in the 200 backstroke.
On the men’s side, there should be a great battle in the 200 butterfly between Olympic Champion Leon Marchand and Canadian star Ilya Kharun. The two swimmers are currently seeded 1-2 in the event, and will likely see each other tonight. Hubert Kos, like the aforementioned Smith, will also contest the 200 back/200 butterfly double, coming in as the top seed in the 200 back.
With the men’s freestyle sprints being one of the most consistent events across the meet, the 100 freestyle is expected to hold plenty of excitement as well, with Jack Alexy, Chris Guiliano, and Patrick Sammon holding down the top 3 seeds. Guiliano in particular has been swimming extremely well this weekend, having taken down meet records in both the 50 and 200 freestyle.
WOMEN’S 50 Butterfly – Prelims
World Record: 24.43 – Sarah Sjöström, Sweden (2014) U.S. Open Record: 24.66 – Gretchen Walsh, USA (2025) U.S. Open Meet Record: N/AMEN’S 50 Butterfly – Prelims
World Record: 22.27 – Andrii Govorov, Ukraine (2018) U.S. Open Record: 22.84 – Caeleb Dressel, USA (2022) U.S. Open Meet Record: N/AWOMEN’S 200 Backstroke – Prelims
World Record: 2:03.14 – Kaylee McKeown, Australia (2023) U.S. Open Record: 2:03.80 – Regan Smith, USA (2023) U.S. Open Meet Record: 2:04.27 – Regan Smith, USA (2023)MEN’S 200 Backstroke – Prelims
World Record: 1:51.92 – Aaron Peirsol, United States (2009) U.S. Open Record: 1:53.08 – Aaron Peirsol, USA (2009 U.S. Open Meet Record: 1:54.59 – Nicholas Thoman, USA (2009)WOMEN’S 200 Breaststroke – Prelims
World Record: 2:17.55 – Evgeniia Chikunova, Russia (2023) U.S. Open Record: 2:19.30 – Kate Douglass, USA (2024) U.S. Open Meet Record: 2:21.87 – Kate Douglass, USA (2023)MEN’S 200 Breaststroke – Prelims
World Record: 2:05.48 – Qin Haiyang, China (2023) U.S. Open Record: 2:06.54 – Matt Fallon, USA (2024) U.S. Open Meet Record: 2:09.49 – Matt Fallon, USA (2023)WOMEN’S 100 Freestyle – Prelims
World Record: 51.71 – Sarah Sjöström, Sweden (2017) U.S. Open Record: 52.43 – Torri Huske, USA (2025) U.S. Open Meet Record: 52.93 – Siobhan Haughey, Hong Kong (2023)MEN’S 100 Freestyle – Prelims
World Record: 46.40 – Pan Zhanle, China (2024) U.S. Open Record: 46.99 – Jack Alexy, USA (2025) U.S. Open Meet Record: 47.69, Zach Apple, USA (2019)WOMEN’S 200 Butterfly – Prelims
World Record: 2:01.81 – Liu Zige, China (2009) U.S. Open Record: 2:03.87 – Regan Smith, USA (2023) U.S. Open Meet Record: 2:06.72 – Regan Smith, USA (2023)MEN’S 200 Butterfly – Prelims
World Record: 1:50.34 – Kristóf Milák, Hungary (2022) U.S. Open Record: 1:52.20 – Michael Phelps, USA (2008) U.S. Open Meet Record: 1:54.66 – Ilya Kharun, Canada (2023)Read the full story on SwimSwam: 2025 U.S. Open: Day 4 Prelims Live Recap
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