| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | A.G. | Club | Time |
| 2 | 1 | Louth Dolphins SC | 14/OV | Louth Dolphins SC | 4:49.00 |
| 3 | 3 | Grantham SC | 14/OV | Grantham SC | 4:12.00 |
| 4 | 5 | City of Linc Pentaqua | 14/OV | City of Linc Pentaqua SC | 4:02.50 |
| 5 | 4 | South Lincs Competitiv | 14/OV | South Lincs Competitive SC | 4:06.46 |
| 6 | 2 | Lincoln Vulcans SC | 14/OV | Lincoln Vulcans SC | 4:34.00 |