| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.298 | 18/6:05.364 |
| 2 | 4 | 21.255 | 18/6:13.977 |
| 3 | 4 | 19.971 | 18/6:09.144 |
| 4 | 4 | 21.155 | 18/6:12.055 |
| 5 | 4 | 18.586 | 18/6:04.554 |
| 6 | 4 | 21.080 | 18/6:07.035 |
| 7 | 3 | 19.214 | 18/6:04.008 |
| 8 | 3 | 19.117 | 18/6:01.521 |
| 9 | 3 | 21.217 | 18/6:03.786 |
| 10 | 3 | 20.784 | 18/6:04.818 |
| 11 | 3 | 21.335 | 18/6:06.565 |
| 12 | 3 | 19.910 | 18/6:05.883 |
| 13 | 3 | 20.389 | 18/6:05.969 |
| 14 | 3 | 20.010 | 18/6:05.555 |
| 15 | 3 | 23.278 | 18/6:09.118 |
| 16 | 3 | 23.877 | 18/6:12.910 |
| 17 | 3 | 18.639 | 18/6:10.071 |
| 18 | 3 | 19.423 | 18/6:09.538 |