| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 4:09.210 | N/A |
| 2 | 5 | 27.201 | 36/20:01.245 |
| 3 | 5 | 21.915 | 40/20:06.972 |
| 4 | 5 | 21.226 | 42/20:10.550 |
| 5 | 5 | 21.042 | 43/20:08.742 |
| 6 | 4 | 20.500 | 44/20:11.412 |
| 7 | 4 | 20.745 | 45/20:21.822 |
| 8 | 4 | 19.668 | 45/20:06.505 |
| 9 | 4 | 19.924 | 46/20:17.953 |
| 10 | 4 | 20.583 | 46/20:13.023 |
| 11 | 4 | 21.063 | 46/20:11.611 |
| 12 | 4 | 20.402 | 46/20:07.583 |
| 13 | 4 | 21.203 | 46/20:07.023 |
| 14 | 4 | 20.235 | 46/20:03.580 |
| 15 | 4 | 22.213 | 46/20:06.081 |
| 16 | 4 | 29.097 | 45/20:08.459 |
| 17 | 4 | 23.602 | 45/20:13.412 |
| 18 | 4 | 23.449 | 45/20:17.386 |
| 19 | 4 | 23.356 | 45/20:20.690 |
| 20 | 4 | 29.691 | 44/20:15.838 |