| 50 m Breaststroke | ||||||||||
| Age | Boys | Girls | ||||||||
| 9 | I Chan | CLP | 47.74 | Grantham | 08/03/2008 | O Kelsey | LV | 47.95 | Grantham | 24/03/2007 |
| 10 | H Furnish | CLP | 43.90 | Grantham | 08/03/2008 | O Kelsey | LV | 42.02 | Grantham | 08/03/2008 |
| 11 | O Bitowt | LV | 38.32 | Grantham | 24/03/2007 | C McRae | LV | 39.15 | Grantham | 24/03/2007 |
| 12 | C Bitowt | LV | 35.10 | Grantham | 24/03/2007 | C Stygall | Dp | 37.27 | Grantham | 24/03/2007 |
| 13 | C Bitowt | LV | 34.06 | Grantham | 08/03/2008 | C Stygall | Dp | 37.74 | Grantham | 08/03/2008 |
| 14 | P Ikhena | Bos | 32.25 | Grantham | 08/03/2008 | H Williams | LV | 35.60 | Grantham | 15/03/2008 |
| 15 | A Manley | CLP | 33.90 | Grantham | 24/03/2007 | S Allen | LV | 34.46 | Sheffield | 26/01/2008 |
| 16 | K Still | CLP | 32.75 | Grantham | 24/03/2007 | A Lim | Dp | 36.44 | Grantham | 08/03/2008 |
| 17 | R Jones | CLP | 35.26 | Grantham | 08/03/2008 | |||||
| 18 | ||||||||||
| 19+ | ||||||||||
| 100 m Breaststroke | ||||||||||
| Age | Boys | Girls | ||||||||
| 9 | A Hird | CLP | 1.52.29 | Grantham | 17/03/2007 | |||||
| 10 | A Tidswell | SL | 1.22.87 | Spalding | 09/05/1998 | K Haywood | CLP | 1.22.73 | Boston | 28/02/1998 |
| 11 | A Tidswell | SL | 1.19.72 | Nottingham | 25/04/1999 | S Allen | LV | 1.15.38 | Lincoln | 31/01/2004 |
| 12 | A Tidswell | SL | 1.15.64 | Grimsby | 07/07/2000 | S Allen | LV | 1.12.89 | Manchester | 16/03/2005 |
| 13 | M Storr | LV | 1.11.53 | Grantham | 29/03/2003 | K Haywood | LV | 1.11.42 | Sheffield | 09/12/2000 |
| 14 | W Jones | SL | 1.08.38 | Spalding | 23/11/1996 | K Haywood | LV | 1.08.49 | Sheffield | 28/10/2001 |
| 15 | M Spackman | LA | 1.07.35 | Coventry | 01/08/1994 | K Haywood | LV | 1.08.76 | Sheffield | 23/03/2003 |
| 16 | A Carr | CLP | 1.06.57 | Leeds | 27/07/1982 | K Haywood | LV | 1.07.71 | Glasgow | 02/08/2003 |
| 17 | W Jones | SL | 1.06.16 | Spalding | 13/07/1999 | K Pells | LV | 1.18.23 | Brierley Hill | 11/11/1989 |
| 18 | C Oliver | SL | 1.05.98 | Cr Palace | 21/07/2001 | J Blastland | CADS | 1.17.61 | Gains'gh | 19/04/1986 |
| 19+ | S Hamer | CLP | 1.05.59 | Spalding | 15/03/1997 | E Mirlees | CLP | 1.15.36 | Nott'am | 24/04/1999 |
| 200 m Breaststroke | ||||||||||
| Age | Boys | Girls | ||||||||
| 9 | I Chan | CLP | 3.41.29 | Grantham | 01/03/2008 | O Kelsey | LV | 3.41.51 | Grantham | 17/03/2007 |
| 10 | H Furnish | CLP | 3.24.79 | Nuneaton | 06/04/2008 | O Kelsey | LV | 3.10.80 | Grantham | 01/03/2008 |
| 11 | O Bitowt | LV | 2.53.83 | Grantham | 17/03/2007 | S Fountain | LV | 2.56.36 | Grantham | 01/03/2008 |
| 12 | O Bitowt | LV | 2.43.62 | Grantham | 01/03/2008 | G Conlon | LV | 2.49.40 | Grantham | 01/03/2008 |
| 13 | M Storr | LV | 2.33.81 | Sheffield | 06/08/2002 | S Allen | LV | 2.33.64 | Sheffield | 30/07/2005 |
| 14 | M Storr | LV | 2.29.02 | Grantham | 06/03/2004 | K Haywood | LV | 2.31.74 | Sheffield | 01/08/2001 |
| 15 | M Storr | LV | 2.24.89 | Sheffield | 03/08/2004 | K Haywood | LV | 2.30.36 | Sheffield | 23/03/2003 |
| 16 | A Carr | CLP | 2.25.36 | Gothenburg | 10/04/1982 | L Hall | CLP | 2.39.01 | Sheffield | 11/07/1998 |
| 17 | C Oliver | SL | 2.27.06 | Coventry | 25/06/2000 | T Chapman | CLP | 2.45.29 | Lincoln | 21/03/1998 |
| 18 | C Oliver | SL | 2.23.83 | Corby | 12/01/2002 | S Pates | SL | 2.51.55 | Coventry | 04/07/1987 |
| 19+ | B Marsters | SL | 2.29.03 | Mansfield | 19/11/2005 | E Mirlees | CLP | 2.42.72 | Grimsby | 20/03/1999 |