| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 28.666 | N/A |
| 2 | 1 | 25.446 | 19/8:06.694 |
| 3 | 1 | 25.312 | 19/8:05.488 |
| 4 | 1 | 28.088 | 19/8:21.742 |
| 5 | 2 | 30.043 | 18/8:11.444 |
| 6 | 2 | 26.667 | 18/8:09.556 |
| 7 | 2 | 24.401 | 18/8:01.877 |
| 8 | 2 | 24.456 | 19/8:22.870 |
| 9 | 2 | 28.329 | 18/8:00.742 |
| 10 | 2 | 26.119 | 19/8:26.388 |
| 11 | 2 | 24.373 | 19/8:22.487 |
| 12 | 2 | 25.768 | 19/8:21.578 |
| 13 | 2 | 24.651 | 19/8:19.145 |
| 14 | 2 | 28.532 | 19/8:22.460 |
| 15 | 2 | 30.180 | 18/8:00.823 |
| 16 | 2 | 31.415 | 18/8:06.283 |
| 17 | 3 | 38.822 | 18/8:18.930 |
| 18 | 3 | 24.953 | 18/8:16.221 |