| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.148 | 19/6:03.812 |
| 2 | 4 | 17.212 | 20/6:03.600 |
| 3 | 4 | 22.457 | 19/6:12.508 |
| 4 | 4 | 18.204 | 19/6:05.850 |
| 5 | 4 | 19.397 | 19/6:06.388 |
| 6 | 4 | 17.897 | 19/6:01.997 |
| 7 | 4 | 17.730 | 20/6:17.271 |
| 8 | 4 | 17.750 | 20/6:14.487 |
| 9 | 4 | 17.645 | 20/6:12.089 |
| 10 | 4 | 18.568 | 20/6:12.016 |
| 11 | 4 | 25.333 | 19/6:05.044 |
| 12 | 4 | 17.920 | 19/6:02.997 |
| 13 | 4 | 18.238 | 19/6:01.729 |
| 14 | 4 | 17.688 | 20/6:18.839 |
| 15 | 4 | 17.681 | 20/6:17.157 |
| 16 | 4 | 18.393 | 20/6:16.576 |
| 17 | 4 | 17.733 | 20/6:15.287 |
| 18 | 4 | 17.892 | 20/6:14.318 |
| 19 | 4 | 17.775 | 20/6:13.327 |
| 20 | 4 | 17.557 | 20/6:12.218 |