| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.176 | 19/6:04.344 |
| 2 | 2 | 18.451 | 20/6:16.270 |
| 3 | 2 | 18.305 | 20/6:12.880 |
| 4 | 2 | 18.306 | 20/6:11.190 |
| 5 | 2 | 17.473 | 20/6:06.844 |
| 6 | 2 | 18.554 | 20/6:07.550 |
| 7 | 2 | 18.015 | 20/6:06.514 |
| 8 | 2 | 18.413 | 20/6:06.733 |
| 9 | 2 | 18.131 | 20/6:06.276 |
| 10 | 2 | 19.463 | 20/6:08.574 |
| 11 | 2 | 18.182 | 20/6:08.125 |
| 12 | 2 | 19.546 | 20/6:10.025 |
| 13 | 2 | 18.993 | 20/6:10.782 |
| 14 | 2 | 18.184 | 20/6:10.274 |
| 15 | 2 | 17.591 | 20/6:09.044 |
| 16 | 2 | 19.129 | 20/6:09.890 |
| 17 | 2 | 18.840 | 20/6:10.296 |
| 18 | 2 | 20.592 | 20/6:12.604 |
| 19 | 2 | 17.799 | 20/6:11.729 |
| 20 | 2 | 18.949 | 20/6:12.092 |