| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.063 | N/A |
| 2 | 3 | 18.414 | 26/8:01.413 |
| 3 | 3 | 18.525 | 26/8:02.800 |
| 4 | 4 | 23.057 | 24/8:01.032 |
| 5 | 3 | 19.747 | 25/8:19.521 |
| 6 | 3 | 20.731 | 24/8:03.243 |
| 7 | 4 | 21.354 | 24/8:08.070 |
| 8 | 3 | 17.821 | 25/8:19.859 |
| 9 | 3 | 18.325 | 25/8:14.985 |
| 10 | 3 | 20.987 | 25/8:18.292 |
| 11 | 3 | 18.560 | 25/8:15.113 |
| 12 | 3 | 18.379 | 25/8:12.117 |
| 13 | 3 | 19.721 | 25/8:12.305 |
| 14 | 4 | 20.378 | 25/8:13.676 |
| 15 | 3 | 19.953 | 25/8:14.123 |
| 16 | 3 | 17.329 | 25/8:10.312 |
| 17 | 3 | 18.145 | 25/8:08.202 |
| 18 | 3 | 17.717 | 25/8:05.735 |
| 19 | 3 | 18.976 | 25/8:05.221 |
| 20 | 4 | 26.804 | 25/8:14.649 |
| 21 | 4 | 18.849 | 25/8:13.589 |
| 22 | 4 | 18.080 | 25/8:11.751 |
| 23 | 4 | 19.365 | 25/8:11.481 |
| 24 | 4 | 17.419 | 25/8:09.204 |
| 25 | 4 | 18.158 | 25/8:07.857 |