| 17:45 - 400 METRES Women - Semi-Final - Heat 1 | START LIST |
| First 3 of each heat (Q) qualified | |
| Personal Best | Season Best | |||||
| 2 | Tara BIRD | WOODFORD G | 54.96 | 54.96 | ||
| 3 | Sian SCOTT | SOTON | 54.53 | 54.53 | ||
| 4 | Tatum NELSON | SALE | 54.70 | 54.70 | ||
| 5 | Meghan BEESLEY | TAMWORTH | 54.31 | 54.31 | ||
| 6 | Kathryn EVANS | EDINBURGH | 54.88 | 55.00 | ||
| 17:55 - 400 METRES Women - Semi-Final - Heat 2 | START LIST |
| First 3 of each heat (Q) qualified | |
| Personal Best | Season Best | |||||
| 2 | Sarah ADAMS | LEICESTER | 55.65 | 55.65 | ||
| 3 | Sara TOMLINS | SALE | 54.73 | 54.73 | ||
| 4 | Rebecca SWEENEY | SALE | 54.20 | 56.25 | ||
| 5 | Laura LANGOWSKI | COVENTRY | 54.29 | 54.29 | ||
| 6 | Melanie PURKISS | SOTON | 52.98 | 55.30 | ||