| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.260 | 17/6:01.420 |
| 2 | 3 | 20.261 | 18/6:13.689 |
| 3 | 3 | 19.734 | 18/6:07.530 |
| 4 | 4 | 21.224 | 18/6:11.156 |
| 5 | 4 | 20.288 | 18/6:09.961 |
| 6 | 4 | 20.012 | 18/6:08.337 |
| 7 | 4 | 19.997 | 18/6:07.138 |
| 8 | 4 | 20.186 | 18/6:06.665 |
| 9 | 4 | 21.964 | 18/6:09.852 |
| 10 | 4 | 21.454 | 18/6:11.484 |
| 11 | 4 | 21.455 | 18/6:12.821 |
| 12 | 4 | 21.889 | 18/6:14.586 |
| 13 | 4 | 20.620 | 18/6:14.322 |
| 14 | 4 | 20.764 | 18/6:14.282 |
| 15 | 4 | 20.516 | 18/6:13.949 |
| 16 | 4 | 19.991 | 18/6:13.067 |
| 17 | 4 | 19.812 | 18/6:12.099 |
| 18 | 4 | 20.387 | 18/6:11.814 |