| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 21.717 | N/A |
| 2 | 4 | 18.917 | 19/6:02.223 |
| 3 | 4 | 18.990 | 19/6:02.088 |
| 4 | 5 | 18.744 | 19/6:01.623 |
| 5 | 5 | 18.347 | 20/6:17.957 |
| 6 | 4 | 18.685 | 20/6:17.712 |
| 7 | 4 | 19.095 | 19/6:00.051 |
| 8 | 4 | 18.548 | 20/6:18.173 |
| 9 | 4 | 18.646 | 20/6:17.900 |
| 10 | 4 | 18.224 | 20/6:16.797 |
| 11 | 3 | 18.144 | 20/6:15.763 |
| 12 | 3 | 20.139 | 20/6:18.362 |
| 13 | 3 | 18.659 | 20/6:18.185 |
| 14 | 4 | 18.629 | 20/6:17.991 |
| 15 | 4 | 18.540 | 20/6:17.705 |
| 16 | 4 | 18.914 | 20/6:17.930 |
| 17 | 4 | 18.811 | 20/6:18.005 |
| 18 | 4 | 18.241 | 20/6:17.433 |
| 19 | 4 | 19.180 | 20/6:17.917 |
| 20 | 4 | 18.792 | 20/6:17.962 |