| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 26.819 | N/A |
| 2 | 4 | 25.546 | 19/8:06.647 |
| 3 | 4 | 26.030 | 19/8:11.003 |
| 4 | 4 | 24.272 | 19/8:01.907 |
| 5 | 4 | 23.161 | 20/8:17.111 |
| 6 | 4 | 26.112 | 20/8:22.278 |
| 7 | 4 | 23.251 | 20/8:16.663 |
| 8 | 4 | 24.858 | 20/8:17.014 |
| 9 | 4 | 23.205 | 20/8:13.352 |
| 10 | 4 | 24.272 | 20/8:12.756 |
| 11 | 4 | 24.316 | 20/8:12.362 |
| 12 | 4 | 27.124 | 20/8:16.891 |
| 13 | 4 | 30.368 | 19/8:00.591 |
| 14 | 4 | 23.561 | 20/8:23.391 |
| 15 | 4 | 27.736 | 19/8:01.720 |
| 16 | 4 | 27.900 | 19/8:04.873 |
| 17 | 4 | 28.607 | 19/8:08.427 |
| 18 | 4 | 29.812 | 19/8:12.840 |
| 19 | 4 | 24.117 | 19/8:11.067 |