| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.783 | 21/6:13.443 |
| 2 | 1 | 18.181 | 21/6:17.622 |
| 3 | 2 | 18.438 | 20/6:02.680 |
| 4 | 3 | 18.985 | 20/6:06.935 |
| 5 | 3 | 17.493 | 20/6:03.520 |
| 6 | 2 | 17.615 | 20/6:01.650 |
| 7 | 2 | 20.091 | 20/6:07.389 |
| 8 | 2 | 18.614 | 20/6:08.000 |
| 9 | 2 | 18.620 | 20/6:08.489 |
| 10 | 2 | 17.688 | 20/6:07.016 |
| 11 | 2 | 19.318 | 20/6:08.775 |
| 12 | 3 | 17.029 | 20/6:06.425 |
| 13 | 2 | 18.505 | 20/6:06.708 |
| 14 | 3 | 18.398 | 20/6:06.797 |
| 15 | 3 | 20.627 | 20/6:09.847 |
| 16 | 3 | 18.281 | 20/6:09.582 |
| 17 | 3 | 17.668 | 20/6:08.628 |
| 18 | 3 | 18.194 | 20/6:08.364 |
| 19 | 3 | 19.052 | 20/6:09.032 |
| 20 | 3 | 17.944 | 20/6:08.524 |