Last updated: 18 March 2024.
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Male
| Event | Name | Time | Date | Competition | Venue |
|---|---|---|---|---|---|
| 50m Freestyle | Matthew Just | 00:25.00 | 18/02/2023 | Yorkshire Championships | Sheffield |
| 100m Freestyle | Jonathan Milner | 00:55.20 | 29/05/2016 | Co Cardiff Open Meet | Cardiff |
| 200m Freestyle | William Hicklin | 01:59.46 | 03/08/2023 | Swim England National Summer Meet | Sheffield |
| 400m Freestyle | Ryan Newsome | 04:14.67 | 22/07/2009 | National AG Championships | Sheffield |
| 800m Freestyle | Ryan Newsome | 08:45.47 | 25/07/2009 | National AG Championships | Sheffield |
| 1500m Freestyle | Ryan Newsome | 16:29.10 | 23/07/2009 | National AG Championships | Sheffield |
| 50m Backstroke | Daniel Ransom | 00:29.07 | 17/12/2022 | City of Leeds Christmas Cracker | Leeds |
| 100m Backstroke | Daniel Ransom | 01:01.61 | 12/02/2023 | Yorkshire Championships | Leeds |
| 200m Backstroke | Danny Hall | 02:13.72 | 08/06/2013 | ASANER Age Group Champs | Sheffield |
| 50m Breaststroke | Daniel Ransom | 00:31.06 | 24/07/2022 | British Summer Championships | Sheffield |
| 100m Breaststroke | Harry Devlin | 01:06.46 | 17/04/2015 | British Championships | London |
| 200m Breaststroke | Harry Devlin | 02:24.33 | 14/04/2015 | British Championships | London |
| 50m Butterfly | Matthew Just | 00:25.72 | 18/02/2023 | Yorkshire Championships | Sheffield |
| 100m Butterfly | Thomas Wooffindin | 00:58.24 | 18/12/2023 | NSC Winter Festival | Corby |
| 200m Butterfly | Thomas Wooffindin | 02:08.51 | 15/03/2024 | Derby Excel Spring Qualifier | Sheffield |
| 200m Individual Medley | Daniel Ransom | 02:13.34 | 04/02/2023 | Yorkshire Championships | Leeds |
| 400m Individual Medley | Thomas Wooffindin | 04:42.02 | 09/03/2024 | ESSA | Coventry |
Female
| Event | Name | Time | Date | Competition | Venue | |
|---|---|---|---|---|---|---|
| 50m Freestyle | Hollie Wilson | 00:26.57 | 01/05/2023 | SENER Open/Youth Championships | Sheffield | |
| 100m Freestyle | Hollie Wilson | 00:56.56 | 26/07/2023 | European Youth Olympic Festival | Maribor | |
| 200m Freestyle | Hollie Wilson | 02:02.02 | 27/07/2023 | European Youth Olympic Festival | Maribor | |
| 400m Freestyle | Leah Crisp | 04:18.72 | 30/07/2016 | British Summer Championships | Sheffield | |
| 800m Freestyle | Danielle Hall-Jackson | 08:48.19 | 29/07/2009 | National Youth Championships | Sheffield | |
| 1500m Freestyle | Danielle Hall-Jackson | 16:41.34 | BR | 31/07/2009 | National Youth Championships | Sheffield |
| 50m Backstroke | Tia Ward | 00:30.97 | 11/02/2017 | Yorkshire Championships | Sheffield | |
| 100m Backstroke | Sophie Hobbah | 01:04.11 | 27/07/2016 | British Summer Championships | Sheffield | |
| 200m Backstroke | Sophie Hobbah | 02:14.78 | 29/07/2016 | British Summer Championships | Sheffield | |
| 50m Breaststroke | Layla Black | 00:32.21 | BR | 23/06/2015 | European Games | Baku |
| 100m Breaststroke | Layla Black | 01:09.26 | BR | 27/06/2015 | European Games | Baku |
| 200m Breaststroke | Layla Black | 02:26.60 | BR | 30/07/2015 | British Summer Championships | Sheffield |
| 50m Butterfly | Isabelle Goodwin | 00:27.71 | 24/07/2019 | British Summer Championships | Glasgow | |
| 100m Butterfly | Amelia Clynes | 00:59.96 | BR | 12/07/2014 | European Junior Championships | Dordrecht |
| 200m Butterfly | Amelia Clynes | 02:11.46 | BR | 10/07/2014 | European Junior Championships | Dordrecht |
| 200m Individual Medley | Ciara Schlosshan | 02:15.69 | 16/04/2016 | British Championships | Glasgow | |
| 400m Individual Medley | Ciara Schlosshan | 04:51.84 | 12/04/2016 | British Championships | Glasgow |