| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 8.164 | N/A |
| 2 | 1 | 18.705 | 20/6:03.559 |
| 3 | 1 | 19.691 | 20/6:12.926 |
| 4 | 1 | 18.853 | 20/6:10.741 |
| 5 | 1 | 18.987 | 20/6:10.285 |
| 6 | 1 | 18.829 | 20/6:09.411 |
| 7 | 1 | 18.666 | 20/6:08.312 |
| 8 | 1 | 19.245 | 20/6:09.098 |
| 9 | 1 | 18.622 | 20/6:08.209 |
| 10 | 1 | 19.018 | 20/6:08.353 |
| 11 | 2 | 20.451 | 20/6:11.191 |
| 12 | 2 | 18.489 | 20/6:10.124 |
| 13 | 2 | 19.674 | 20/6:11.111 |
| 14 | 2 | 20.275 | 20/6:12.825 |
| 15 | 2 | 19.638 | 20/6:13.429 |
| 16 | 2 | 20.134 | 20/6:14.581 |
| 17 | 2 | 19.420 | 20/6:14.741 |
| 18 | 2 | 20.067 | 20/6:15.606 |
| 19 | 2 | 20.129 | 20/6:16.439 |
| 20 | 2 | 20.617 | 20/6:17.674 |