| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.681 | N/A |
| 2 | 4 | 17.029 | 21/6:01.261 |
| 3 | 4 | 17.709 | 21/6:08.061 |
| 4 | 4 | 16.869 | 21/6:04.727 |
| 5 | 4 | 17.421 | 21/6:05.821 |
| 6 | 3 | 18.010 | 21/6:08.833 |
| 7 | 3 | 17.370 | 21/6:08.707 |
| 8 | 3 | 17.049 | 21/6:07.701 |
| 9 | 3 | 19.179 | 21/6:12.271 |
| 10 | 3 | 17.456 | 21/6:11.996 |
| 11 | 3 | 17.920 | 21/6:12.705 |
| 12 | 3 | 17.512 | 21/6:12.542 |
| 13 | 3 | 17.479 | 21/6:12.352 |
| 14 | 3 | 17.564 | 21/6:12.322 |
| 15 | 3 | 17.770 | 21/6:12.591 |
| 16 | 3 | 18.892 | 21/6:14.319 |
| 17 | 3 | 18.029 | 21/6:14.753 |
| 18 | 3 | 17.722 | 21/6:14.775 |
| 19 | 3 | 17.603 | 21/6:14.662 |
| 20 | 3 | 17.490 | 21/6:14.442 |
| 21 | 3 | 17.310 | 21/6:14.064 |