| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Lois MCDONNELL | 9 | Grantham | |
| 3 | 2 | Henry BOWERS | 9 | Grantham | |
| 4 | 3 | Tabitha GODDARD | 8 | Grantham | |
| 5 | 4 | Evelyn CHARITY | 9 | Grantham | |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Tillie BOWER | 8 | Grantham | |
| 2 | 8 | George SPENCER | 8 | Grantham | |
| 3 | 10 | Harry BIBBY | 8 | Grantham | |
| 4 | 9 | Jia CHEN-REES | 8 | Grantham | |
| 5 | 7 | Joyce KIM | 8 | Grantham | |
| 6 | 5 | Maja BALL | 9 | Grantham | |