# 2023 U.S. Open Swimming Championships

The 2023 Toyota U.S. Open Swimming Championships took place from November 29 to December 2, 2023, at Greensboro Aquatic Center in Greensboro, North Carolina, United States. Competition was conducted in a long course (50-meter) pool. Swimmers were allowed to compete representing their country, such as Hong Kong, national swimming federation, such as Swimming Canada, club, such as Nation's Capital Swim Club, or unattached.

## Results
### Men

| Event | Gold | Gold | Silver | Silver | Bronze | Bronze |
| 50 m freestyle | Michael Andrew Michael Andrew Swim Academy | 21.80 | Joshua Liendo University of Florida | 21.90 | Mikel Schreuders Ecercle des Nage | 21.93 OQT |
| 100 m freestyle | Matt King Texas Ford Aquatics | 48.30 | Ryan Held New York Athletic Club | 48.36 | Chris Guiliano University of Notre Dame | 48.51 |
| 200 m freestyle | Rafael Miroslaw Indiana University | 1:45.92 =CR | Drew Kibler Sun Devil Swimming | 1:46.12 | Henry McFadden Jersey Wahoos | 1:46.80 |
| 400 m freestyle | Drew Kibler Sun Devil Swimming | 3:47.58 | Kieran Smith Ridgefield Athletic Club | 3:48.72 | Ilia Sibirtzev University of Louisville | 3:48.99 |
| 800 m freestyle | Charlie Clark Ohio State University | 7:50.49 | David Johnston The Swim Team | 7:53.87 | Ilia Sibirtzev University of Louisville | 7:54.36 |
| 1500 m freestyle | Bobby Finke Saint Petersburg | 15:03.97 | Charlie Clark Ohio State University | 15:05.57 | Luke Whitlock Fishers Area Swimming Tigers | 15:08.09 |
| 100 m backstroke | Hubert Kos Arizona State University | 53.19 | Hunter Armstrong New York Athletic Club | 53.72 | Ryan Murphy California Aquatics | 53.74 |
| 200 m backstroke | Hubert Kos Arizona State University | 1:55.95 | Kieran Smith Ridgefield Athletic Club | 1:57.51 | Kai van Westering Indiana University | 1:58.63 |
| 100 m breaststroke | Denis Petrashov University of Louisville | 59.46 | Michael Andrew Michael Andrew Swim Academy | 59.52 | Nick Fink Dallas Mustangs | 59.79 |
| 200 m breaststroke | Matt Fallon University of Pennsylvania | 2:09.49 CR | Cody Miller Sandpipers of Nevada | 2:09.84 | Josh Matheny Indiana University | 2:10.49 |
| 100 m butterfly | Caeleb Dressel Gator Swim Club | 51.31 | Joshua Liendo University of Florida | 51.32 | Ilya Kharun Sun Devil Swimming | 51.42 |
| 200 m butterfly | Ilya Kharun Sun Devil Swimming | 1:54.66 CR | Martin Espernberger University of Tennessee | 1:54.69 | Trenton Julian Mission Viejo Nadadores | 1:55.59 |
| 200 m individual medley | Chase Kalisz Sun Devil Swimming | 1:57.43 | Hubert Kos Arizona State University | 1:57.88 | Trenton Julian Mission Viejo Nadadores | 1:58.46 |
| 400 m individual medley | Chase Kalisz Sun Devil Swimming | 4:10.42 | Carson Foster Mason Manta Rays | 4:13.43 | Jay Litherland Sun Devil Swimming | 4:14.50 |

### Women

| Event | Gold | Gold | Silver | Silver | Bronze | Bronze |
| 50 m freestyle | Kate Douglass New York Athletic Club | 24.38 CR | Abbey Weitzeil California Aquatics Torri Huske Arlington Aquatic Club | 24.41 | none awarded | none awarded |
| 100 m freestyle | Siobhan Haughey Hong Kong | 52.94 CR | Torri Huske Arlington Aquatic Club | 53.17 | Abbey Weitzeil California Aquatics | 53.53 |
| 200 m freestyle | Siobhan Haughey Hong Kong | 1:54.20 CR | Katie Ledecky Gator Swim Club | 1:56.29 | Simone Manuel Sun Devil Swimming | 1:57.37 |
| 400 m freestyle | Summer McIntosh Sarasota Sharks | 3:59.42 CR | Katie Ledecky Gator Swim Club | 4:02.38 | Siobhan Haughey Hong Kong | 4:06.32 |
| 800 m freestyle | Katie Ledecky Gator Swim Club | 8:15.91 | Paige Madden New York Athletic Club | 8:29.91 | Jillian Cox University of Texas at Austin | 8:33.77 |
| 1500 m freestyle | Katie Ledecky Gator Swim Club | 15:46.38 | Paige Madden New York Athletic Club | 16:11.26 | Leah Smith Longhorn Aquatics | 16:15.45 |
| 100 m backstroke | Regan Smith Sun Devil Swimming | 58.16 | Claire Curzan TAC Titans | 58.35 | Katharine Berkoff NC State University | 58.61 |
| 200 m backstroke | Regan Smith Sun Devil Swimming | 2:04.27 CR | Claire Curzan TAC Titans | 2:06.39 | Summer McIntosh Sarasota Sharks | 2:06.81 |
| 100 m breaststroke | Siobhan Haughey Hong Kong | 1:06.05 | Lydia Jacoby Seward Tsunami | 1:06.20 | Kotryna Teterevkova Lithuania | 1:06.96 |
| 200 m breaststroke | Kate Douglass New York Athletic Club | 2:21.87 CR | Lilly King Indiana Swim Club | 2:23.98 | Kotryna Teterevkova Lithuania | 2:24.22 |
| 100 m butterfly | Torri Huske Arlington Aquatic Club | 56.21 CR | Claire Curzan TAC Titans | 56.76 | Gretchen Walsh University of Virginia | 56.85 |
| 200 m butterfly | Regan Smith Sun Devil Swimming | 2:06.72 CR | Lindsay Looney Sun Devil Swimming | 2:09.31 | Dakota Luther Longhorn Aquatics | 2:10.17 |
| 200 m individual medley | Kate Douglass New York Athletic Club | 2:08.46 | Alex Walsh University of Virginia | 2:08.96 | Torri Huske Arlington Aquatic Club | 2:09.10 |
| 400 m individual medley | Summer McIntosh Sarasota Sharks | 4:29.96 | Anastasia Gorbenko Unattached | 4:37.90 | Regan Smith Sun Devil Swimming | 4:38.77 |

## Records set
### World records set

| Day | Event | Stage | Time | Name | Country | Date | Type | Age | Ref |

### National records set

| Day | Event | Stage | Time | Name | Country | Date | Type | Age | Ref |

### Championships records set

| Day | Event | Stage | Time | Name | Country | Date |
| 2 | 400 m freestyle (Women's) | Final | 3:59.42 | Summer McIntosh | Canada | November 30, 2023 |
| 2 | 200 m individual medley (Men's) | B Final | 1:56.06 | Shaine Casas | United States | November 30, 2023 |
| 2 | 50 m freestyle (Women's) | Final | 24.38 | Kate Douglass | United States | November 30, 2023 |
| 3 | 100 m butterfly (Women's) | Final | 56.21 | Torri Huske | United States | December 1, 2023 |
| 3 | 100 m butterfly (Men's) | B Final | 51.03 | Shaine Casas | United States | December 1, 2023 |
| 3 | 200 m freestyle (Women's) | Final | 1:54.20 | Siobhán Haughey | Hong Kong | December 1, 2023 |
| 3 | 200 m freestyle (Men's) | Final | 1:45.92 | Rafael Miroslaw | Germany | December 1, 2023 |
| 4 | 200 m butterfly (Men's) | Heats | 1:54.88 | Michal Chmielewski | Poland | December 2, 2023 |
| 4 | 200 m backstroke (Women's) | Final | 2:04.27 | Regan Smith | United States | December 2, 2023 |
| 4 | 100 m freestyle (Women's) | Final | 52.94 | Siobhán Haughey | Hong Kong | December 2, 2023 |
| 4 | 200 m breaststroke (Women's) | Final | 2:21.87 | Kate Douglass | United States | December 2, 2023 |
| 4 | 200 m breaststroke (Men's) | Final | 2:09.49 | Matt Fallon | United States | December 2, 2023 |
| 4 | 200 m butterfly (Women's) | Final | 2:06.72 | Regan Smith | United States | December 2, 2023 |
| 4 | 200 m butterfly (Men's) | Final | 1:54.66 | Ilya Kharun | Canada | December 2, 2023 |