| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.177 | 20/6:03.540 |
| 2 | 3 | 19.619 | 20/6:17.960 |
| 3 | 3 | 17.729 | 20/6:10.167 |
| 4 | 4 | 19.127 | 20/6:13.260 |
| 5 | 4 | 18.344 | 20/6:11.984 |
| 6 | 4 | 19.236 | 20/6:14.107 |
| 7 | 4 | 18.977 | 20/6:14.883 |
| 8 | 4 | 17.517 | 20/6:11.815 |
| 9 | 4 | 18.275 | 20/6:11.113 |
| 10 | 4 | 17.091 | 20/6:08.184 |
| 11 | 4 | 17.767 | 20/6:07.016 |
| 12 | 4 | 18.271 | 20/6:06.883 |
| 13 | 4 | 17.964 | 20/6:06.298 |
| 14 | 4 | 18.679 | 20/6:06.819 |
| 15 | 4 | 18.356 | 20/6:06.839 |
| 16 | 4 | 17.679 | 20/6:06.010 |
| 17 | 4 | 17.599 | 20/6:05.185 |
| 18 | 4 | 17.705 | 20/6:04.569 |
| 19 | 3 | 17.700 | 20/6:04.013 |
| 20 | 3 | 18.667 | 20/6:04.479 |