The final night of the 2025 US Open swimming championships saw five new US Open meet records broken. Here's a breakdown of the records set on Day 4:
Men's 200 Backstroke:
- World Record: 1:51.92 - Aaron Peirsol (2009)
- U.S. Open Record: 1:53.08 - Aaron Peirsol (2009)
- U.S. Open Meet Record: 1:54.59 - Nicholas Thoman (2009)
- Meet Record: 1:54.21 - Hubert Kos (2025)
Top 8 Finishers:
1. Hubert Kos (1:54.21)
2. Blake Tierney (1:58.21)
3. Cornelius Jahn (1:59.06)
4. Kieran Smith (1:59.40)
5. Jt Ewing (1:59.57)
6. Tommy Hagar (1:59.94)
7. Ivan Tarasov (2:00.13)
8. Tristan Jankovics (2:01.16)
Women's 200 Breaststroke:
- World Record: 2:17.55 - Evgeniia Chikunova (2023)
- U.S. Open Record: 2:19.30 - Kate Douglass (2024)
- U.S. Open Meet Record: 2:21.87 - Kate Douglass (2023)
- Meet Record: 2:20.86 - Kate Douglass (2025)
Top 8 Finishers:
1. Kate Douglass (2:20.86)
2. Alex Walsh (2:24.88)
3. Mona McSharry (2:24.91)
4. Tara Kinder (2:25.09)
5. Alexanne Lepage (2:25.10)
6. Aliz Kalmar (2:29.34)
7. Emily Lundgren (2:31.62)
8. Grace Rabb (2:33.80)
Men's 100 Freestyle:
- World Record: 46.40 - Pan Zhanle (2024)
- U.S. Open Record: 46.99 - Jack Alexy (2025)
- U.S. Open Meet Record: 47.66 - Jack Alexy (2025)
- Meet Record: 47.40 - Jack Alexy (2025)
Top 8 Finishers:
1. Jack Alexy (47.40)
2. Chris Guiliano (47.63)
3. Patrick Sammon (48.05)
4. Kaii Winkler (48.27)
5. Jonny Kulow (48.31)
6. Matt King (48.50)
7. Brendan Whitfield (48.54)
8. Remi Fabiani (48.71)
Women's 200 Butterfly:
- World Record: 2:01.81 - Liu Zige (2009)
- U.S. Open Record: 2:03.87 - Regan Smith (2023)
- U.S. Open Meet Record: 2:06.72 - Regan Smith (2023)
Men's 200 Butterfly (Finals):
- World Record: 1:50.34 - Kristóf Milák (2022)
- U.S. Open Record: 1:52.20 - Michael Phelps (2008)
- U.S. Open Meet Record: 1:54.66 - Ilya Kharun (2023)
- Meet Record: 1:52.57 - Leon Marchand (2025)
Top 8 Finishers:
1. Leon Marchand (1:52.57)
2. Ilya Kharun (1:55.71)
3. Hubert Kos (1:56.01)
4. Gabriel Jett (1:56.16)
5. Cooper Lucas (1:57.53)
6. Jordi Vilchez (1:58.22)
7. Bjoern Kammann (1:58.40)
8. Aaron Shackell (1:58.48)
