| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.690 | 21/6:11.490 |
| 2 | 4 | 18.127 | 21/6:16.079 |
| 3 | 4 | 17.978 | 21/6:16.565 |
| 4 | 4 | 17.290 | 21/6:13.196 |
| 5 | 4 | 17.129 | 21/6:10.499 |
| 6 | 5 | 18.693 | 21/6:14.175 |
| 7 | 5 | 18.607 | 21/6:16.542 |
| 8 | 4 | 18.012 | 21/6:16.756 |
| 9 | 4 | 18.170 | 21/6:17.291 |
| 10 | 4 | 17.880 | 21/6:17.110 |
| 11 | 4 | 17.794 | 21/6:16.797 |
| 12 | 4 | 17.932 | 21/6:16.779 |
| 13 | 4 | 18.899 | 20/6:00.309 |
| 14 | 5 | 18.587 | 20/6:01.126 |
| 15 | 5 | 17.254 | 20/6:00.056 |
| 16 | 5 | 19.300 | 20/6:01.678 |
| 17 | 5 | 19.552 | 20/6:03.405 |
| 18 | 5 | 17.725 | 20/6:02.910 |
| 19 | 5 | 19.414 | 20/6:04.245 |
| 20 | 5 | 19.149 | 20/6:05.182 |