| 50 m Butterfly | ||||||||||||||
| Age | Boys | Girls | ||||||||||||
| 9 | J Hurley | LV | 38.69 | Swindon | 02/08/2009 | A Burr | LV | 37.29 | Sheffield | 30/08/2008 | ||||
| 10 | J Strathon | CLP | 36.66 | Lincoln | 13/10/2007 | O Kelsey | LV | 35.17 | Grantham | 15/03/2008 | ||||
| 11 | O Bitowt | LV | 32.48 | Grantham | 31/03/2007 | C McRae | LV | 32.65 | Grantham | 31/03/2007 | ||||
| 12 | O Bitowt | LV | 31.57 | Grantham | 01/03/2008 | G Conlon | LV | 33.17 | Grantham | 15/03/2008 | ||||
| 13 | O Bitowt | LV | 28.05 | Sheffield | 31/05/2009 | R Dand | TD | 31.14 | Grantham | 28/03/2009 | ||||
| 14 | P Ikhena | Bos | 27.42 | Grantham | 15/03/2008 | S Allen | LV | 29.74 | Grantham | 31/03/2007 | ||||
| 15 | P Ikhena | Bos | 27.56 | Sheffield | 24/01/2009 | S Allen | LV | 29.14 | Grantham | 01/03/2008 | ||||
| 16 | B Pogson | Bos | 27.13 | Coventry | 03/05/2008 | S Allen | LV | 28.76 | Sheffield | 03/04/2008 | ||||
| 17 | A Mallett | LV | 26.85 | Brisbane | 09/09/2007 | S Allen | LV | 28.60 | Glasgow | 25/06/2009 | ||||
| 18 | A Mallett | LV | 26.48 | Queens'nd | 19/12/2007 | K Armstrong | Lo | 29.63 | Grantham | 31/03/2007 | ||||
| 19+ | A Mallett | LV | 24.89 | Glasgow | 25/06/2009 | S Smith | Dp | 33.32 | Grantham | 31/03/2007 | ||||
| 100 m Butterfly | ||||||||||||||
| Age | Boys | Girls | ||||||||||||
| 9 | J Hurley | LV | 1.30.90 | Bradford | 25/07/2009 | A Burr | LV | 1.26.30 | Lincoln | 12/07/2008 | ||||
| 10 | S Wainwright | CLP | 1.12.81 | Leeds | 31/07/1982 | C McRae | LV | 1.14.51 | Norwich | 16/04/2006 | ||||
| 11 | O Bitowt | LV | 1.11.09 | Grantham | 24/03/2007 | Je Birkett | CLP | 1.10.47 | Lincoln | 15/11/1986 | ||||
| 12 | D Potts | LV | 1.05.45 | Grantham | 05/03/2005 | T Atkin | CLP | 1.07.08 | Coventry | 08/08/1984 | ||||
| 13 | O Bitowt | LV | 1.00.80 | Edinburgh | 10/04/2009 | E Simmonds | LV | 1.04.22 | Sheffield | 17/10/2004 | ||||
| 14 | P Palmer | LA | 1.00.05 | Maltby | 25/03/1989 | E Harness | CLP | 1.04.31 | Coventry | 09/08/2000 | ||||
| 15 | M Graves | LV | 57.38 | Grantham | 13/03/1999 | S Allen | LV | 1.02.52 | Sheffield | 29/07/2007 | ||||
| 16 | J Graves | LV | 55.86 | Sheffield | 02/08/2001 | S Allen | LV | 1.02.91 | Sheffield | 03/04/2008 | ||||
| 17 | M Graves | LV | 54.99 | Sheffield | 28/05/2000 | S Allen | LV | 1.01.46 | Glasgow | 25/06/2009 | ||||
| 18 | M Graves | LV | 54.64 | Manchester | 11/04/2001 | K Armstrong | Lo | 1.06.17 | Grantham | 17/03/2007 | ||||
| 19+ | A Mallett | LV | 53.60 | Glasgow | 28/06/2009 | M Marshall | SL | 1.06.28 | Spalding | 10/11/2001 | ||||
| 200 m Butterfly | ||||||||||||||
| Age | Boys | Girls | ||||||||||||
| 9 | J Hurley | LV | 3.27.10 | Swindon | 01/08/2009 | T Haworth | LV | 3.16.59 | Grantham | 21/03/2009 | ||||
| 10 | J Strathon* | CLP | 3.19.10 | Mansfield | 19/11/2007 | O Kelsey | LV | 2.51.21 | Coventry | 07/06/2008 | ||||
| 11 | O Bitowt | LV | 2.34.92 | Grantham | 24/03/2007 | C McRae | LV | 2.34.90 | Grantham | 24/03/2007 | ||||
| 12 | O Bitowt | LV | 2.26.20 | Glasgow | 10/04/2008 | G Conlon | LV | 2.35.18 | Grantham | 08/03/2008 | ||||
| 13 | D Potts | LV | 2.11.95 | Sheffield | 01/08/2005 | S Allen | LV | 2.20.35 | Sheffield | 15/10/2005 | ||||
| 14 | P Palmer | LA | 2.13.80 | Coventry | 11/06/1989 | J Oldham | LV | 2.20.88 | Grantham | 12/03/2005 | ||||
| 15 | P Palmer | CLP | 2.04.78 | Leeds | 01/08/1990 | T Atkin | CLP | 2.15.22 | Edinburgh | 18/04/1987 | ||||
| 16 | A Mallett | LV | 2.03.54 | Sheffield | 04/04/2006 | T Atkin | CLP | 2.14.17 | Edinburgh | 08/04/1988 | ||||
| 17 | A Mallett | LV | 2.01.05 | Sheffield | 29/07/2007 | T Atkin | CLP | 2.12.81 | Orebro | 03/04/1989 | ||||
| 18 | A Mallett | LV | 1.58.67 | Melbourne | 24/09/2008 | K Armstrong | Lo | 2.24.54 | Grantham | 24/03/2007 | ||||
| 19+ | A Mallett | LV | 1.56.68 | Glasgow | 26/06/2009 | J Fannon | CLP | 2.22.48 | Edinburgh | 08/04/1988 | ||||