| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.645 | 21/6:10.545 |
| 2 | 3 | 17.975 | 21/6:14.010 |
| 3 | 3 | 17.434 | 21/6:11.378 |
| 4 | 3 | 17.558 | 21/6:10.713 |
| 5 | 3 | 17.499 | 21/6:10.066 |
| 6 | 2 | 17.267 | 21/6:08.823 |
| 7 | 2 | 17.425 | 21/6:08.409 |
| 8 | 2 | 17.491 | 21/6:08.272 |
| 9 | 1 | 17.256 | 21/6:07.617 |
| 10 | 1 | 18.035 | 21/6:08.728 |
| 11 | 1 | 17.572 | 21/6:08.754 |
| 12 | 1 | 17.800 | 21/6:09.175 |
| 13 | 2 | 18.080 | 21/6:09.983 |
| 14 | 2 | 17.520 | 21/6:09.836 |
| 15 | 2 | 17.643 | 21/6:09.880 |
| 16 | 1 | 17.849 | 21/6:10.189 |
| 17 | 2 | 18.103 | 21/6:10.776 |
| 18 | 2 | 17.995 | 21/6:11.171 |
| 19 | 2 | 17.827 | 21/6:11.340 |
| 20 | 1 | 18.599 | 21/6:12.302 |
| 21 | 1 | 18.001 | 21/6:12.574 |