| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.010 | 20/6:00.200 |
| 2 | 4 | 18.158 | 20/6:01.680 |
| 3 | 4 | 17.915 | 20/6:00.553 |
| 4 | 4 | 17.334 | 21/6:14.939 |
| 5 | 3 | 18.514 | 21/6:17.710 |
| 6 | 3 | 17.914 | 21/6:17.457 |
| 7 | 3 | 17.912 | 21/6:17.271 |
| 8 | 4 | 18.862 | 20/6:01.548 |
| 9 | 4 | 17.668 | 20/6:00.638 |
| 10 | 4 | 19.135 | 20/6:02.844 |
| 11 | 4 | 18.164 | 20/6:02.884 |
| 12 | 4 | 17.717 | 20/6:02.172 |
| 13 | 4 | 17.313 | 20/6:00.948 |
| 14 | 4 | 17.100 | 21/6:17.574 |
| 15 | 3 | 17.612 | 21/6:17.059 |
| 16 | 3 | 17.608 | 21/6:16.603 |
| 17 | 3 | 17.380 | 21/6:15.920 |
| 18 | 2 | 17.652 | 21/6:15.629 |
| 19 | 2 | 17.238 | 21/6:14.912 |
| 20 | 2 | 18.663 | 21/6:15.762 |
| 21 | 2 | 19.475 | 21/6:17.344 |