| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 2.893 | N/A |
| 2 | 4 | 17.984 | 21/6:02.573 |
| 3 | 4 | 18.534 | 21/6:08.073 |
| 4 | 3 | 18.066 | 21/6:06.786 |
| 5 | 3 | 17.988 | 21/6:05.753 |
| 6 | 3 | 18.278 | 21/6:06.293 |
| 7 | 3 | 17.204 | 21/6:03.073 |
| 8 | 3 | 17.814 | 21/6:02.515 |
| 9 | 3 | 18.433 | 21/6:03.645 |
| 10 | 3 | 17.870 | 21/6:03.273 |
| 11 | 3 | 17.870 | 21/6:02.975 |
| 12 | 3 | 18.172 | 21/6:03.280 |
| 13 | 3 | 18.860 | 21/6:04.681 |
| 14 | 3 | 17.245 | 21/6:03.382 |
| 15 | 4 | 20.338 | 21/6:06.687 |
| 16 | 4 | 23.081 | 21/6:13.209 |
| 17 | 4 | 17.530 | 21/6:11.976 |
| 18 | 4 | 17.733 | 21/6:11.128 |
| 19 | 4 | 20.128 | 21/6:13.035 |
| 20 | 4 | 17.812 | 21/6:12.303 |
| 21 | 4 | 28.278 | 20/6:03.150 |