| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.677 | 20/6:13.540 |
| 2 | 3 | 19.220 | 19/6:00.022 |
| 3 | 3 | 19.363 | 19/6:02.647 |
| 4 | 3 | 18.850 | 19/6:01.522 |
| 5 | 3 | 19.466 | 19/6:03.189 |
| 6 | 5 | 21.420 | 19/6:10.487 |
| 7 | 5 | 18.496 | 19/6:07.764 |
| 8 | 4 | 19.123 | 19/6:07.211 |
| 9 | 5 | 22.857 | 19/6:14.663 |
| 10 | 5 | 19.186 | 19/6:13.650 |
| 11 | 5 | 18.288 | 19/6:11.270 |
| 12 | 5 | 20.278 | 19/6:12.438 |
| 13 | 4 | 18.788 | 19/6:11.248 |
| 14 | 5 | 23.160 | 19/6:16.162 |
| 15 | 5 | 20.494 | 19/6:17.044 |
| 16 | 5 | 19.179 | 19/6:16.253 |
| 17 | 5 | 21.431 | 19/6:18.073 |
| 18 | 5 | 19.109 | 19/6:17.240 |
| 19 | 5 | 24.936 | 19/6:22.321 |