| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 7.693 | N/A |
| 2 | 2 | 8.110 | N/A |
| 3 | 1 | 18.338 | 21/6:14.453 |
| 4 | 2 | 18.524 | 20/6:00.066 |
| 5 | 1 | 17.904 | 21/6:10.113 |
| 6 | 2 | 20.675 | 19/6:00.901 |
| 7 | 1 | 18.334 | 21/6:11.533 |
| 8 | 2 | 19.336 | 20/6:18.831 |
| 9 | 1 | 18.320 | 21/6:12.173 |
| 10 | 2 | 19.262 | 20/6:17.645 |
| 11 | 1 | 18.441 | 21/6:13.041 |
| 12 | 2 | 18.475 | 20/6:13.943 |
| 13 | 1 | 18.479 | 21/6:13.746 |
| 14 | 2 | 18.818 | 20/6:12.561 |
| 15 | 1 | 19.534 | 21/6:17.264 |
| 16 | 2 | 18.668 | 20/6:11.167 |
| 17 | 1 | 18.517 | 21/6:17.360 |
| 18 | 2 | 18.977 | 20/6:10.855 |
| 19 | 1 | 18.445 | 21/6:17.275 |
| 20 | 2 | 19.161 | 20/6:11.001 |