| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 21.537 | 17/6:06.129 |
| 2 | 1 | 20.072 | 18/6:14.481 |
| 3 | 1 | 20.132 | 18/6:10.446 |
| 4 | 1 | 20.315 | 18/6:09.252 |
| 5 | 1 | 20.251 | 18/6:08.305 |
| 6 | 1 | 20.656 | 18/6:08.889 |
| 7 | 1 | 19.805 | 18/6:07.118 |
| 8 | 1 | 20.478 | 18/6:07.304 |
| 9 | 1 | 21.047 | 18/6:08.586 |
| 10 | 1 | 21.189 | 18/6:09.868 |
| 11 | 1 | 20.040 | 18/6:09.036 |
| 12 | 1 | 19.884 | 18/6:08.109 |
| 13 | 1 | 20.143 | 18/6:07.683 |
| 14 | 1 | 20.716 | 18/6:08.055 |
| 15 | 1 | 23.925 | 18/6:12.228 |
| 16 | 1 | 25.083 | 18/6:17.182 |
| 17 | 1 | 20.850 | 18/6:17.071 |
| 18 | 1 | 20.132 | 18/6:16.255 |