| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 1.985 | N/A |
| 2 | 5 | 26.710 | 19/8:02.765 |
| 3 | 5 | 23.671 | 20/8:00.604 |
| 4 | 4 | 28.352 | 20/8:20.627 |
| 5 | 5 | 29.469 | 19/8:08.894 |
| 6 | 4 | 25.008 | 19/8:01.541 |
| 7 | 4 | 28.676 | 19/8:07.643 |
| 8 | 4 | 23.685 | 20/8:25.677 |
| 9 | 4 | 27.470 | 19/8:01.327 |
| 10 | 5 | 28.863 | 19/8:05.793 |
| 11 | 4 | 23.917 | 19/8:00.462 |
| 12 | 4 | 24.409 | 20/8:23.291 |
| 13 | 4 | 24.324 | 20/8:20.028 |
| 14 | 4 | 24.303 | 20/8:17.237 |
| 15 | 4 | 24.524 | 20/8:15.144 |
| 16 | 4 | 31.516 | 20/8:22.187 |
| 17 | 4 | 28.401 | 20/8:24.651 |
| 18 | 4 | 26.550 | 20/8:24.756 |
| 19 | 4 | 22.680 | 20/8:20.764 |
| 20 | 4 | 25.942 | 20/8:20.455 |