| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.959 | N/A |
| 2 | 2 | 23.788 | 18/7:08.355 |
| 3 | 1 | 24.063 | 18/7:10.692 |
| 4 | 1 | 23.713 | 18/7:09.488 |
| 5 | 1 | 24.117 | 18/7:10.603 |
| 6 | 1 | 23.718 | 18/7:09.915 |
| 7 | 1 | 23.696 | 18/7:09.394 |
| 8 | 1 | 24.086 | 18/7:09.097 |
| 9 | 2 | 25.481 | 18/7:13.365 |
| 10 | 2 | 24.608 | 18/7:14.357 |
| 11 | 2 | 24.218 | 18/7:14.488 |
| 12 | 2 | 23.821 | 18/7:13.982 |
| 13 | 2 | 25.718 | 18/7:16.247 |
| 14 | 2 | 24.085 | 18/7:16.028 |
| 15 | 2 | 24.237 | 18/7:16.025 |
| 16 | 2 | 25.205 | 18/7:17.120 |
| 17 | 2 | 24.268 | 18/7:17.082 |
| 18 | 2 | 25.987 | 18/7:18.768 |