| BREASTSTROKE | Age group | Name | Club | CBT | Date |
| 50m | |||||
| A | 9 | Jack Goddard | Poole | 48.96 | 2017 |
| B | 10 | Jack Goddard | Poole | 44.86 | 2018 |
| C | 11 | Daniel Staples | Christchurch Seagulls | 41.82 | 2016 |
| D | 12 | Charlie Hitchcock | West Dorset | 38.39 | 2011 |
| E | 13 | Spencer Wilks | Swim Bournemouth | 35.70 | 2012 |
| F | 14 | Alexander Schooling | Tornadoes of S. Dorset | 36.06 | 2012 |
| G | 15 | Jack Simpkins | Swim Bournemouth | 33.86 | 2013 |
| H | 16/o | Ben Wickens | Swim Bournemouth | 32.42 | 2015 |
| 100m | |||||
| A | 9 | Christopher Bernal | Poole | 1:48.36 | 2018 |
| B | 10 | Jack Goddard | Poole | 1:37.68 | 2018 |
| C | 11 | Daniel Speers | Ferndown | 1:30.57 | 2008 |
| D | 12 | Harley Kenny | Swim Bournemouth | 1:27.17 | 2014 |
| E | 13 | Spencer Wilks | Swim Bournemouth | 1:18.01 | 2012 |
| F | 14 | Thomas Dewey | Christchurch Seagulls | 1:19.39 | 2022 |
| G | 15 | Carl Hornyak | West Dorset | 1:15.72 | 2007 |
| H | 16/o | Ross Broadfield | Christchurch Seagulls | 1:16.56 | 2015 |
| 200m | |||||
| A | 9 | Christopher Bernal | Poole | 3:40.61 | 2018 |
| B | 10 | Milo Treloar | Swim Bournemouth | 3:17.47 | 2015 |
| C | 11 | Spencer Wilks | Ferndown | 3:17.25 | 2010 |
| D | 12 | Charlie Hitchcock | West Dorset | 3:00.67 | 2011 |
| E | 13 | Finlay Webb | Poole | 2:58.06 | 2016 |
| F | 14 | Josh Frampton | Tornadoes of S. Dorset | 2:48.58 | 2015 |
| G | 15 | Thomas Dootson | Swim Bournemouth | 2:44.92 | 2011 |
| H | 16/o | Konner Burghart | Swim Bournemouth | 2:42.80 | 2023 |
| BUTTERFLY | |||||
| 50m | |||||
| A | 9 | Ben Samuel | Ferndown | 41.57 | 2010 |
| B | 10 | Milo Treloar | Swim Bournemouth | 38.86 | 2015 |
| C | 11 | Finn Trehane | Swim Bournemouth | 35.90 | 2013 |
| D | 12 | Ethan Bell | Swim Bournemouth | 34.53 | 2013 |
| E | 13 | Peter Thornton | West Dorset | 32.30 | 2009 |
| F | 14 | Christopher Parsons | Poole | 30.92 | 2014 |
| G | 15 | Mikey Kingsley | Christchurch Seagulls | 29.01 | 2011 |
| H | 16/o | Martin Dunn | Swim Bournemouth | 29.19 | 2011 |
| 100m | |||||
| A | 9 | Hugo Young | Swim Bournemouth | 1:44.91 | 2017 |
| B | 10 | Jamie Workman | Swim Bournemouth | 1:26.83 | 2017 |
| C | 11 | Peter Griffiths | Christchurch Seagulls | 1:19.60 | 2008 |
| D | 12 | Charlie Hitchcock | West Dorset | 1:12.88 | 2011 |
| E | 13 | Charlie Hitchcock | West Dorset | 1:13.14 | 2012 |
| F | 14 | Christopher Parsons | Poole | 1:08.17 | 2014 |
| G | 15 | Cianan Mann | Christchurch Seagulls | 1:03.39 | 2011 |
| H | 16/o | Andrew Botros | Poole | 1:05.93 | 2015 |
| 200m | |||||
| A | 9 | Robbie Hemmings | Poole | 3:39.53 | 2014 |
| B | 10 | Freddie Hodgetts | Blandford | 3:17.09 | 2017 |
| C | 11 | James Gunn | Weymouth | 3:09.94 | 2019 |
| D | 12 | Joshua Wickens | Swim Bournemouth | 2:46.99 | 2015 |
| E | 13 | Aaron Fryer | West Dorset | 2:42.32 | 2010 |
| F | 14 | Jay Lelliott | Tornadoes of S. Dorset | 2:33.77 | 2009 |
| G | 15 | Ben Wickens | Swim Bournemouth | 2:25.42 | 2013 |
| H | 16/o | Aidan Guest | West Dorset | 2:34.06 | 2015 |
| INDIVIDUAL MEDLEY | |||||
| 100m | |||||
| A | 9 | Jacob Peters | Poole | 1:29.86 | 2010 |
| B | 10 | Jamie Workman | Swim Bournemouth | 1:23.91 | 2017 |
| C | 11 | Finn Trehane | Swim Bournemouth | 1:16.54 | 2013 |
| D | 12 | Spencer Wilks | Swim Bournemouth | 1:13.83 | 2011 |
| E | 13 | Peter Thornton | West Dorset | 1:10.28 | 2009 |
| F | 14 | Jack Simpkins | Swim Bournemouth | 1:06.20 | 2012 |
| G | 15 | Darren Price | Christchurch Seagulls | 1:05.41 | 2011 |
| H | 16/o | Ben Wickens | Swim Bournemouth | 1:03.04 | 2015 |
| 200m | |||||
| A | 9 | Isaac Ellis | Christchurch Seagulls | 3:06.88 | 2014 |
| B | 10 | Oscar Esposti | Bournemouth Dolphins | 2:56.96 | 2008 |
| C | 11 | Spencer Wilks | Ferndown | 2:52.41 | 2010 |
| D | 12 | Ethan Bell | Swim Bournemouth | 2:44.38 | 2013 |
| E | 13 | Ben Cutbush | Poole | 2:36.49 | 2016 |
| F | 14 | Bradley Head | Swim Bournemouth | 2:30.42 | 2015 |
| G | 15 | Stephen Littlefair | Bournemouth Dolphins | 2:28.04 | 2010 |
| H | 16/o | Ryan Knott | West Dorset | 2:25.40 | 2011 |