| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 34.694 | N/A |
| 2 | 5 | 26.506 | 18/8:05.296 |
| 3 | 5 | 20.617 | 20/8:02.362 |
| 4 | 6 | 32.035 | 18/8:03.256 |
| 5 | 5 | 21.555 | 19/8:07.902 |
| 6 | 6 | 32.692 | 18/8:08.271 |
| 7 | 6 | 25.527 | 18/8:05.001 |
| 8 | 5 | 20.934 | 19/8:17.206 |
| 9 | 5 | 20.704 | 19/8:05.976 |
| 10 | 4 | 22.434 | 19/8:00.702 |
| 11 | 5 | 31.143 | 19/8:12.158 |
| 12 | 5 | 26.979 | 19/8:14.718 |
| 13 | 4 | 21.584 | 19/8:08.759 |
| 14 | 5 | 32.230 | 19/8:18.457 |
| 15 | 5 | 25.602 | 19/8:18.248 |
| 16 | 5 | 24.787 | 19/8:17.088 |
| 17 | 5 | 22.604 | 19/8:13.618 |
| 18 | 6 | 22.554 | 19/8:10.503 |
| 19 | 5 | 36.931 | 19/8:22.112 |