Mens
| Long Course Event | Time | Holder | Club | Venue | Year |
| 5000 m Freestyle | not yet awarded | ||||
| 1500m Freestyle | 14.58.74 | J Lelliott | Swim B’mouth | Berlin | 2014 |
| 800m Freestyle | 7.50.97 | J Lelliott | Swim B’mouth | Gwangju | 2015 |
| 400m Freestyle | 3.47.50 | J Lelliott | Swim B’mouth | Berlin | 2014 |
| 200m Freestyle | 1.49.72 | J Lelliott | Swim B’mouth | Glasgow | 2014 |
| 100m Freestyle | 50.91 | S Chappels | Ferndown | Manchester | 2002 |
| 50m Freestyle | 23.44 | W Harrison | BDSC | Sheffield | 2009 |
| 200m Butterfly | 1.57.16 | J Peters | Poole | Sheffield | 2017 |
| 100m Butterfly | 52.19 | J Peters | Poole | Edinburgh | 2020 |
| 50m Butterfly | 23.74 | J Peters | Poole | Amsterdam | 2019 |
| 200m Breaststroke | 2.16.59 | O Jones | Poole | Sheffield | 2023 |
| 100m Breaststroke | 1.02.67 | O Jones | Poole | London | 2024 |
| 50m Breaststroke | 28.75 | O Jones | Poole | Sheffield | 2023 |
| 200m Backstroke | 2.01.83 | R Hemmings | Poole | Bucharest | 2022 |
| 100m Backstroke | 55.04 | R Hemmings | Poole | Sheffield | 2022 |
| 50m Backstroke | 25.56 | R Hemmings | Poole | Sheffield | 2023 |
| 4x100m Ind Medley | 4.37.08 | J Poynter | Swim B’mouth | Manchester | 2011 |
| 4x50m Ind Medley | 2.06.14 | O Jones | Poole | Sheffield | 2024 |
Boys u/16
| Long Course Event | Time | Holder | Club | Venue | Year |
| 5000 m Freestyle | not yet awarded | ||||
| 1500m Freestyle | 16.10.32 | J Poynter | BDSC | Sheffield | 2009 |
| 800m Freestyle | 8.20.57 | J Poynter | BDSC | Sheffield | 2009 |
| 400m Freestyle | 4.03.66 | J Poynter | BDSC | Sheffield | 2009 |
| 200m Freestyle | 1.55.58 | J Poynter | BDSC | Sheffield | 2009 |
| 100m Freestyle | 52.04 | S Chappels | Ferndown | Manchester | 2001 |
| 50m Freestyle | 24.34 | D Speers | Poole | Leeds | 2013 |
| 200m Butterfly | 2.02.98 | J Peters | Poole | Sheffield | 2016 |
| 100m Butterfly | 55.13 | J Peters | Poole | Glasgow | 2016 |
| 50m Butterfly | 24.80 | J Peters | Poole | Sheffield | 2016 |
| 200m Breaststroke | 2.25.03 | F Beasley | Poole | Sheffield | 2023 |
| 100m Breaststroke | 1.07.34 | N Vides | Poole | Sheffield | 2012 |
| 50m Breaststroke | 30.96 | N Vides | Poole | Portsmouth | 2012 |
| 200m Backstroke | 2.04.56 | O Fairman | Poole | Sheffield | 2018 |
| 100m Backstroke | 57.68 | O Fairman | Poole | Sheffield | 2018 |
| 50m Backstroke | 26.59 | J Peters | Poole | Sheffield | 2016 |
| 4x100m Ind Medley | 4.38.32 | J Poynter | BDSC | Sheffield | 2009 |
| 4x50m Ind Medley | 2.09.60 | O Fairman | Poole | Sheffield | 2018 |