| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.416 | 20/6:08.320 |
| 2 | 2 | 18.694 | 20/6:11.100 |
| 3 | 3 | 18.847 | 20/6:13.047 |
| 4 | 3 | 18.778 | 20/6:13.675 |
| 5 | 3 | 18.965 | 20/6:14.800 |
| 6 | 2 | 21.917 | 19/6:06.120 |
| 7 | 2 | 18.765 | 19/6:04.751 |
| 8 | 3 | 18.724 | 19/6:03.627 |
| 9 | 3 | 18.550 | 19/6:02.385 |
| 10 | 3 | 19.133 | 19/6:02.499 |
| 11 | 3 | 18.781 | 19/6:01.985 |
| 12 | 3 | 18.396 | 19/6:00.946 |
| 13 | 2 | 18.346 | 20/6:18.942 |
| 14 | 3 | 19.151 | 19/6:00.271 |
| 15 | 3 | 18.566 | 20/6:18.705 |
| 16 | 3 | 21.608 | 19/6:02.944 |
| 17 | 4 | 19.314 | 19/6:03.181 |
| 18 | 3 | 18.736 | 19/6:02.781 |
| 19 | 4 | 18.782 | 19/6:02.469 |