| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.329 | 19/6:07.251 |
| 2 | 4 | 19.151 | 19/6:05.560 |
| 3 | 4 | 20.110 | 19/6:11.070 |
| 4 | 4 | 19.688 | 19/6:11.821 |
| 5 | 4 | 17.927 | 19/6:05.579 |
| 6 | 4 | 20.046 | 19/6:08.128 |
| 7 | 4 | 19.680 | 19/6:08.956 |
| 8 | 4 | 19.617 | 19/6:09.427 |
| 9 | 4 | 20.669 | 19/6:12.014 |
| 10 | 4 | 18.773 | 19/6:10.481 |
| 11 | 4 | 18.847 | 19/6:09.355 |
| 12 | 4 | 21.539 | 19/6:12.679 |
| 13 | 4 | 18.759 | 19/6:11.428 |
| 14 | 4 | 17.516 | 19/6:08.669 |
| 15 | 4 | 20.342 | 19/6:09.858 |
| 16 | 4 | 21.761 | 19/6:12.583 |
| 17 | 4 | 18.686 | 19/6:11.551 |
| 18 | 4 | 22.292 | 19/6:14.439 |
| 19 | 4 | 22.553 | 19/6:17.285 |