| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 15.795 | N/A |
| 2 | 1 | 17.639 | 21/6:08.575 |
| 3 | 1 | 17.476 | 21/6:06.945 |
| 4 | 1 | 17.677 | 21/6:07.741 |
| 5 | 1 | 18.003 | 21/6:09.077 |
| 6 | 1 | 17.881 | 21/6:10.499 |
| 7 | 1 | 17.530 | 21/6:09.815 |
| 8 | 1 | 18.346 | 21/6:11.657 |
| 9 | 1 | 17.339 | 21/6:10.522 |
| 10 | 1 | 17.402 | 21/6:09.779 |
| 11 | 1 | 17.607 | 21/6:09.595 |
| 12 | 1 | 18.002 | 21/6:10.162 |
| 13 | 1 | 17.970 | 21/6:10.581 |
| 14 | 1 | 17.861 | 21/6:10.768 |
| 15 | 1 | 17.524 | 21/6:10.447 |
| 16 | 1 | 18.961 | 21/6:12.085 |
| 17 | 1 | 18.307 | 21/6:12.701 |
| 18 | 1 | 18.699 | 21/6:13.705 |
| 19 | 1 | 18.074 | 21/6:13.903 |
| 20 | 1 | 17.785 | 21/6:13.777 |
| 21 | 1 | 18.056 | 21/6:13.934 |