| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.717 | 20/6:14.340 |
| 2 | 1 | 17.519 | 20/6:02.360 |
| 3 | 2 | 17.495 | 21/6:16.117 |
| 4 | 1 | 17.279 | 21/6:12.802 |
| 5 | 1 | 17.849 | 21/6:13.208 |
| 6 | 1 | 17.769 | 21/6:13.198 |
| 7 | 1 | 18.003 | 21/6:13.893 |
| 8 | 1 | 17.534 | 21/6:13.183 |
| 9 | 1 | 17.456 | 21/6:12.449 |
| 10 | 2 | 20.036 | 21/6:17.280 |
| 11 | 2 | 19.926 | 20/6:02.878 |
| 12 | 2 | 17.671 | 20/6:02.090 |
| 13 | 2 | 18.820 | 20/6:03.191 |
| 14 | 2 | 17.827 | 20/6:02.716 |
| 15 | 2 | 18.491 | 20/6:03.189 |
| 16 | 2 | 17.951 | 20/6:02.929 |
| 17 | 2 | 19.197 | 20/6:04.165 |
| 18 | 2 | 18.572 | 20/6:04.569 |
| 19 | 2 | 17.621 | 20/6:03.929 |
| 20 | 2 | 17.470 | 20/6:03.203 |