| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.623 | N/A |
| 2 | 1 | 17.276 | 21/6:06.143 |
| 3 | 1 | 17.276 | 21/6:06.143 |
| 4 | 1 | 16.972 | 21/6:04.116 |
| 5 | 1 | 17.077 | 21/6:03.628 |
| 6 | 1 | 17.272 | 21/6:04.115 |
| 7 | 1 | 17.950 | 21/6:06.699 |
| 8 | 1 | 17.748 | 21/6:07.968 |
| 9 | 1 | 17.187 | 21/6:07.518 |
| 10 | 1 | 17.477 | 21/6:07.811 |
| 11 | 1 | 17.724 | 21/6:08.541 |
| 12 | 1 | 17.242 | 21/6:08.261 |
| 13 | 1 | 16.789 | 21/6:07.273 |
| 14 | 1 | 17.040 | 21/6:06.823 |
| 15 | 1 | 16.976 | 21/6:06.345 |
| 16 | 1 | 16.704 | 21/6:05.569 |
| 17 | 1 | 17.957 | 21/6:06.456 |
| 18 | 1 | 17.922 | 21/6:07.198 |
| 19 | 1 | 18.884 | 21/6:08.926 |
| 20 | 1 | 17.567 | 21/6:09.086 |
| 21 | 1 | 18.498 | 21/6:10.161 |