| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.651 | 21/7:13.671 |
| 2 | 3 | 19.359 | 21/7:00.105 |
| 3 | 3 | 25.087 | 20/7:13.980 |
| 4 | 4 | 24.178 | 19/7:04.056 |
| 5 | 4 | 20.947 | 20/7:20.888 |
| 6 | 4 | 26.650 | 19/7:13.428 |
| 7 | 4 | 22.920 | 19/7:13.721 |
| 8 | 4 | 23.833 | 19/7:16.109 |
| 9 | 4 | 24.630 | 19/7:19.649 |
| 10 | 4 | 21.190 | 19/7:15.946 |
| 11 | 4 | 26.413 | 19/7:21.937 |
| 12 | 4 | 27.491 | 18/7:05.024 |
| 13 | 4 | 29.183 | 18/7:12.737 |
| 14 | 4 | 21.976 | 18/7:10.082 |
| 15 | 4 | 21.203 | 18/7:06.853 |
| 16 | 4 | 29.003 | 18/7:12.803 |
| 17 | 4 | 26.508 | 18/7:15.412 |
| 18 | 4 | 28.378 | 18/7:19.600 |