| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.778 | N/A |
| 2 | 2 | 21.307 | 23/8:08.532 |
| 3 | 2 | 18.403 | 25/8:16.298 |
| 4 | 2 | 20.464 | 24/8:01.112 |
| 5 | 2 | 18.707 | 25/8:13.064 |
| 6 | 1 | 18.782 | 25/8:08.560 |
| 7 | 1 | 18.204 | 25/8:03.246 |
| 8 | 2 | 19.698 | 25/8:04.572 |
| 9 | 2 | 18.269 | 25/8:01.028 |
| 10 | 2 | 17.908 | 26/8:16.839 |
| 11 | 2 | 22.604 | 25/8:06.208 |
| 12 | 2 | 21.003 | 25/8:09.630 |
| 13 | 1 | 18.764 | 25/8:08.004 |
| 14 | 1 | 18.046 | 25/8:05.302 |
| 15 | 1 | 18.522 | 25/8:03.802 |
| 16 | 1 | 18.062 | 25/8:01.766 |
| 17 | 1 | 18.494 | 25/8:00.633 |
| 18 | 1 | 18.651 | 26/8:19.025 |
| 19 | 1 | 21.416 | 25/8:02.085 |
| 20 | 1 | 18.086 | 25/8:01.323 |
| 21 | 1 | 18.379 | 25/8:00.300 |
| 22 | 1 | 19.634 | 25/8:00.081 |