| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 25.611 | N/A |
| 2 | 2 | 21.984 | 22/8:07.275 |
| 3 | 2 | 19.633 | 23/8:03.398 |
| 4 | 3 | 22.337 | 23/8:14.607 |
| 5 | 4 | 29.512 | 21/8:12.941 |
| 6 | 4 | 20.161 | 21/8:00.119 |
| 7 | 4 | 23.579 | 21/8:02.964 |
| 8 | 4 | 22.417 | 21/8:01.676 |
| 9 | 4 | 20.794 | 22/8:19.205 |
| 10 | 4 | 24.072 | 21/8:00.031 |
| 11 | 4 | 23.154 | 21/8:00.897 |
| 12 | 4 | 24.517 | 21/8:04.083 |
| 13 | 4 | 21.816 | 21/8:02.237 |
| 14 | 4 | 25.791 | 21/8:06.791 |
| 15 | 4 | 22.238 | 21/8:05.618 |
| 16 | 4 | 23.552 | 21/8:06.353 |
| 17 | 4 | 20.557 | 21/8:03.253 |
| 18 | 4 | 23.140 | 21/8:03.556 |
| 19 | 4 | 33.409 | 21/8:15.236 |
| 20 | 4 | 25.834 | 21/8:17.713 |
| 21 | 4 | 20.429 | 21/8:14.537 |