| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.824 | 21/6:14.304 |
| 2 | 1 | 17.198 | 21/6:07.731 |
| 3 | 2 | 17.446 | 21/6:07.276 |
| 4 | 2 | 19.279 | 21/6:16.672 |
| 5 | 2 | 18.192 | 21/6:17.744 |
| 6 | 2 | 17.352 | 21/6:15.519 |
| 7 | 2 | 17.469 | 21/6:14.280 |
| 8 | 2 | 17.840 | 21/6:14.325 |
| 9 | 2 | 17.372 | 21/6:13.268 |
| 10 | 2 | 17.164 | 21/6:11.986 |
| 11 | 2 | 17.219 | 21/6:11.041 |
| 12 | 2 | 17.657 | 21/6:11.021 |
| 13 | 2 | 17.753 | 21/6:11.159 |
| 14 | 2 | 17.116 | 21/6:10.321 |
| 15 | 2 | 17.818 | 21/6:10.579 |
| 16 | 2 | 17.643 | 21/6:10.574 |
| 17 | 2 | 18.503 | 21/6:11.632 |
| 18 | 3 | 19.215 | 21/6:13.403 |
| 19 | 4 | 18.331 | 21/6:14.011 |
| 20 | 4 | 18.056 | 21/6:14.269 |
| 21 | 4 | 18.690 | 21/6:15.137 |