| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.753 | 21/6:12.813 |
| 2 | 1 | 17.315 | 21/6:08.214 |
| 3 | 1 | 17.909 | 21/6:10.839 |
| 4 | 1 | 17.737 | 21/6:11.248 |
| 5 | 1 | 17.385 | 21/6:10.016 |
| 6 | 1 | 17.864 | 21/6:10.871 |
| 7 | 1 | 17.667 | 21/6:10.890 |
| 8 | 1 | 17.929 | 21/6:11.592 |
| 9 | 1 | 17.731 | 21/6:11.677 |
| 10 | 2 | 18.012 | 21/6:12.334 |
| 11 | 2 | 17.826 | 21/6:12.517 |
| 12 | 1 | 17.656 | 21/6:12.372 |
| 13 | 2 | 18.118 | 21/6:12.996 |
| 14 | 2 | 18.416 | 21/6:13.977 |
| 15 | 2 | 18.255 | 21/6:14.602 |
| 16 | 2 | 18.218 | 21/6:15.101 |
| 17 | 2 | 17.771 | 21/6:14.988 |
| 18 | 2 | 18.087 | 21/6:15.257 |
| 19 | 2 | 18.321 | 21/6:15.756 |
| 20 | 2 | 18.551 | 21/6:16.447 |
| 21 | 2 | 18.090 | 21/6:16.611 |