| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 23.807 | N/A |
| 2 | 3 | 19.710 | 19/6:18.587 |
| 3 | 3 | 20.458 | 18/6:05.235 |
| 4 | 3 | 19.701 | 18/6:03.064 |
| 5 | 4 | 21.737 | 18/6:10.632 |
| 6 | 4 | 19.859 | 18/6:08.788 |
| 7 | 4 | 19.627 | 18/6:06.901 |
| 8 | 4 | 20.033 | 18/6:06.539 |
| 9 | 4 | 19.735 | 18/6:05.634 |
| 10 | 4 | 20.784 | 18/6:06.912 |
| 11 | 4 | 20.311 | 18/6:07.130 |
| 12 | 4 | 20.849 | 18/6:08.140 |
| 13 | 4 | 20.344 | 18/6:08.266 |
| 14 | 4 | 20.535 | 18/6:08.623 |
| 15 | 4 | 20.117 | 18/6:08.421 |
| 16 | 4 | 20.802 | 18/6:09.022 |
| 17 | 4 | 20.424 | 18/6:09.147 |
| 18 | 4 | 20.361 | 18/6:09.194 |