| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.042 | N/A |
| 2 | 1 | 17.683 | 21/6:12.702 |
| 3 | 1 | 17.975 | 21/6:15.622 |
| 4 | 1 | 17.646 | 21/6:14.402 |
| 5 | 1 | 17.530 | 21/6:13.212 |
| 6 | 1 | 18.059 | 21/6:14.614 |
| 7 | 1 | 17.685 | 21/6:14.302 |
| 8 | 1 | 17.879 | 21/6:14.633 |
| 9 | 1 | 17.970 | 21/6:15.109 |
| 10 | 1 | 18.140 | 21/6:15.857 |
| 11 | 1 | 18.289 | 21/6:16.754 |
| 12 | 1 | 18.153 | 21/6:17.240 |
| 13 | 1 | 18.383 | 20/6:00.079 |
| 14 | 1 | 18.060 | 20/6:00.241 |
| 15 | 1 | 18.439 | 20/6:00.894 |
| 16 | 1 | 18.267 | 20/6:01.242 |
| 17 | 1 | 18.036 | 20/6:01.272 |
| 18 | 1 | 18.576 | 20/6:01.902 |
| 19 | 1 | 18.196 | 20/6:02.061 |
| 20 | 1 | 18.250 | 20/6:02.258 |