| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.987 | 21/6:17.727 |
| 2 | 1 | 18.214 | 20/6:02.010 |
| 3 | 1 | 18.067 | 20/6:01.787 |
| 4 | 2 | 22.151 | 19/6:02.990 |
| 5 | 1 | 18.093 | 20/6:18.048 |
| 6 | 1 | 18.568 | 20/6:16.933 |
| 7 | 2 | 20.498 | 19/6:02.569 |
| 8 | 1 | 18.125 | 19/6:00.295 |
| 9 | 1 | 18.113 | 20/6:17.369 |
| 10 | 1 | 18.591 | 20/6:16.814 |
| 11 | 1 | 17.992 | 20/6:15.271 |
| 12 | 1 | 19.364 | 20/6:16.272 |
| 13 | 1 | 18.119 | 20/6:15.203 |
| 14 | 1 | 18.330 | 20/6:14.589 |
| 15 | 2 | 23.370 | 19/6:01.737 |
| 16 | 1 | 20.651 | 19/6:03.652 |
| 17 | 1 | 20.443 | 19/6:05.108 |
| 18 | 1 | 18.523 | 19/6:04.377 |
| 19 | 1 | 18.231 | 19/6:03.430 |