| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.271 | 19/6:06.149 |
| 2 | 1 | 20.063 | 19/6:13.673 |
| 3 | 1 | 19.495 | 19/6:12.583 |
| 4 | 1 | 21.119 | 19/6:19.753 |
| 5 | 1 | 20.475 | 18/6:01.522 |
| 6 | 1 | 19.263 | 19/6:19.005 |
| 7 | 1 | 20.803 | 18/6:01.257 |
| 8 | 1 | 20.828 | 18/6:02.963 |
| 9 | 1 | 19.900 | 18/6:02.434 |
| 10 | 1 | 24.427 | 18/6:10.159 |
| 11 | 1 | 19.857 | 18/6:09.001 |
| 12 | 2 | 23.782 | 18/6:13.924 |
| 13 | 1 | 18.925 | 18/6:11.364 |
| 14 | 1 | 19.628 | 18/6:10.074 |
| 15 | 2 | 23.466 | 18/6:13.562 |
| 16 | 2 | 19.901 | 18/6:12.603 |
| 17 | 2 | 24.154 | 18/6:16.260 |
| 18 | 2 | 19.867 | 18/6:15.224 |