| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 27.891 | N/A |
| 2 | 2 | 25.148 | 19/8:00.555 |
| 3 | 1 | 25.724 | 19/8:05.739 |
| 4 | 1 | 25.692 | 19/8:07.275 |
| 5 | 1 | 25.259 | 19/8:06.094 |
| 6 | 1 | 25.352 | 19/8:05.721 |
| 7 | 1 | 25.172 | 19/8:04.932 |
| 8 | 1 | 25.458 | 19/8:05.103 |
| 9 | 1 | 25.113 | 19/8:04.456 |
| 10 | 1 | 27.981 | 19/8:09.689 |
| 11 | 1 | 25.354 | 19/8:09.146 |
| 12 | 1 | 27.151 | 19/8:11.643 |
| 13 | 1 | 25.720 | 19/8:11.577 |
| 14 | 1 | 25.721 | 19/8:11.522 |
| 15 | 1 | 25.467 | 19/8:11.149 |
| 16 | 1 | 25.639 | 19/8:11.032 |
| 17 | 1 | 25.884 | 19/8:11.205 |
| 18 | 1 | 24.934 | 19/8:10.352 |
| 19 | 1 | 24.975 | 19/8:09.635 |