| FREESTYLE | Age group | Name | Club | CBT | Date |
| 50m | |||||
| A | 9 | Kemp Harrison | Poole | 34.47 | 2009 |
| B | 10 | Ajay Coombes | Swim Bournemouth | 33.76 | 2014 |
| C | 11 | Daniel Staples | Christchurch Seagulls | 30.86 | 2016 |
| D | 12 | Charlie Hitchcock | West Dorset | 30.05 | 2011 |
| E | 13 | Ben Cutbush | Poole | 28.17 | 2016 |
| F | 14 | Connor Craft | North Dorset Turbos | 27.63 | 2009 |
| G | 15 | Thomas Tiller | Ferndown | 26.00 | 2008 |
| H | 16/o | James Dawson | West Dorset | 25.66 | 2009 |
| 100m | |||||
| A | 9 | Harry Falconer | Tornadoes of S. Dorset | 1:28.09 | 2016 |
| B | 10 | Luke Horton | Ferndown | 1:13.59 | 2007 |
| C | 11 | Thomas Cutbush | Poole | 1:09.17 | 2016 |
| D | 12 | Tiger Kelleway | Swim Bournemouth | 1:05.26 | 2014 |
| E | 13 | Ben Cutbush | Poole | 1:01.04 | 2016 |
| F | 14 | Rafael Packham | Poole | 59.13 | 2015 |
| G | 15 | Mikey Kingsley | Christchurch Seagulls | 56.90 | 2011 |
| H | 16/o | Thomas Tiller | Ferndown | 57.02 | 2009 |
| 200m | |||||
| A | 9 | Kemp Harrison | Poole | 2:53.90 | 2009 |
| B | 10 | Finn Pardy | Swim Bournemouth | 2:36.47 | 2015 |
| C | 11 | Spencer Wilks | Ferndown | 2:27.71 | 2010 |
| D | 12 | Tiger Kelleway | Swim Bournemouth | 2:23.57 | 2014 |
| E | 13 | Ben Cutbush | Poole | 2:16.04 | 2016 |
| F | 14 | Bradley Head | Swim Bournemouth | 2:10.30 | 2015 |
| G | 15 | Darren Price | Christchurch Seagulls | 2:06.16 | 2011 |
| H | 16/o | Thomas Tiller | Ferndown | 2:06.02 | 2009 |
| 400m | |||||
| A | 9 | Jacob Peters | Poole | 5:42.09 | 2010 |
| B | 10 | Luke Horton | Ferndown | 5:32.13 | 2007 |
| C | 11 | Luke Horton | Ferndown | 5:11.67 | 2008 |
| D | 12 | Tiger Kelleway | Swim Bournemouth | 5:00.06 | 2014 |
| E | 13 | Ben Cutbush | Poole | 4:41.33 | 2016 |
| F | 14 | Jamie Grey | Ferndown | 4:40.39 | 2010 |
| G | 15 | Thomas Tiller | Ferndown | 4:27.21 | 2008 |
| H | 16/o | Thomas Tiller | Ferndown | 4:23.44 | 2009 |
| BACKSTROKE | |||||
| 50m | |||||
| A | 9 | Matthew Collins | Ferndown | 41.09 | 2009 |
| B | 10 | Milo Treloar | Swim Bournemouth | 39.65 | 2015 |
| C | 11 | Guy Selwood | Poole | 37.04 | 2014 |
| D | 12 | Aidan Watson | Weymouth | 34.93 | 2015 |
| E | 13 | Spencer Wilks | Swim Bournemouth | 32.10 | 2012 |
| F | 14 | Jamie Grey | Ferndown | 32.09 | 2010 |
| G | 15 | Darren Price | Christchurch Seagulls | 30.58 | 2011 |
| H | 16/o | Guy Buttle | West Dorset | 30.92 | 2011 |
| 100m | |||||
| A | 9 | Edward Leader | Swim Bournemouth | 1:40.86 | 2016 |
| B | 10 | Matthew Workman | Swim Bournemouth | 1:25.53 | 2015 |
| C | 11 | Cole Dickinson | Bridport Barracudas | 1:19.26 | 2016 |
| D | 12 | Alex Felton | West Dorset | 1:16.17 | 2014 |
| E | 13 | Aaron Fryer | West Dorset | 1:12.74 | 2010 |
| F | 14 | Jamie Grey | Ferndown | 1:08.44 | 2010 |
| G | 15 | Christopher Wignall | Ferndown | 1:08.18 | 2008 |
| H | 16/o | Casey Vatcher | Christchurch Seagulls | 1:08.68 | 2010 |
| 200m | |||||
| A | 9 | Matthew Collins | Ferndown | 3:06.30 | 2009 |
| B | 10 | Oliver Fairman | West Dorset | 3:00.74 | 2013 |
| C | 11 | Henry Bramwell-Reeks | Poole | 2:47.48 | 2011 |
| D | 12 | Ehan Bell | Swim Bournemouth | 2:42.76 | 2013 |
| E | 13 | Jack Simpkins | Swim Bournemouth | 2:34.38 | 2011 |
| F | 14 | Jamie Grey | Ferndown | 2:25.17 | 2010 |
| G | 15 | Darren Price | Christchurch Seagulls | 2:19.21 | 2011 |
| H | 16/o | Guy Buttle | West Dorset | 2:20.55 | 2011 |