| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.336 | 18/6:06.048 |
| 2 | 1 | 19.889 | 18/6:02.025 |
| 3 | 1 | 20.244 | 18/6:02.814 |
| 4 | 1 | 19.369 | 19/6:19.230 |
| 5 | 2 | 20.219 | 18/6:00.205 |
| 6 | 1 | 19.371 | 19/6:18.189 |
| 7 | 1 | 19.955 | 19/6:18.325 |
| 8 | 1 | 20.152 | 19/6:18.896 |
| 9 | 3 | 26.283 | 18/6:11.636 |
| 10 | 3 | 21.099 | 18/6:12.451 |
| 11 | 3 | 19.877 | 18/6:11.117 |
| 12 | 3 | 19.345 | 18/6:09.208 |
| 13 | 3 | 19.389 | 18/6:07.654 |
| 14 | 3 | 19.438 | 18/6:06.385 |
| 15 | 3 | 19.971 | 18/6:05.924 |
| 16 | 3 | 19.804 | 18/6:05.334 |
| 17 | 3 | 20.721 | 18/6:05.783 |
| 18 | 3 | 20.172 | 18/6:05.634 |