| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.881 | 21/6:15.501 |
| 2 | 4 | 17.939 | 21/6:16.110 |
| 3 | 4 | 17.457 | 21/6:12.939 |
| 4 | 4 | 16.957 | 21/6:08.729 |
| 5 | 4 | 17.178 | 21/6:07.130 |
| 6 | 4 | 17.805 | 21/6:08.260 |
| 7 | 4 | 17.632 | 21/6:08.547 |
| 8 | 3 | 17.577 | 21/6:08.618 |
| 9 | 4 | 17.963 | 21/6:09.574 |
| 10 | 4 | 17.529 | 21/6:09.428 |
| 11 | 4 | 17.461 | 21/6:09.178 |
| 12 | 4 | 17.117 | 21/6:08.368 |
| 13 | 4 | 17.062 | 21/6:07.594 |
| 14 | 4 | 17.475 | 21/6:07.550 |
| 15 | 4 | 17.582 | 21/6:07.661 |
| 16 | 4 | 18.876 | 21/6:09.457 |
| 17 | 4 | 17.590 | 21/6:09.453 |
| 18 | 3 | 18.178 | 21/6:10.135 |
| 19 | 3 | 17.345 | 21/6:09.825 |
| 20 | 4 | 18.040 | 21/6:10.276 |
| 21 | 4 | 17.530 | 21/6:10.174 |