| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 25.575 | N/A |
| 2 | 1 | 22.994 | 21/8:05.455 |
| 3 | 1 | 23.223 | 21/8:07.745 |
| 4 | 1 | 22.707 | 21/8:05.068 |
| 5 | 1 | 22.706 | 21/8:03.725 |
| 6 | 1 | 22.551 | 21/8:02.299 |
| 7 | 1 | 22.575 | 21/8:01.428 |
| 8 | 1 | 23.102 | 21/8:02.312 |
| 9 | 1 | 23.419 | 21/8:03.767 |
| 10 | 1 | 22.960 | 21/8:03.879 |
| 11 | 1 | 22.765 | 21/8:03.579 |
| 12 | 2 | 28.671 | 21/8:14.071 |
| 13 | 2 | 23.456 | 21/8:14.123 |
| 14 | 1 | 23.605 | 21/8:14.396 |
| 15 | 1 | 22.989 | 21/8:13.750 |
| 16 | 1 | 23.102 | 21/8:13.341 |
| 17 | 1 | 22.616 | 21/8:12.376 |
| 18 | 1 | 22.938 | 21/8:11.903 |
| 19 | 1 | 23.822 | 21/8:12.465 |
| 20 | 1 | 22.964 | 21/8:12.064 |
| 21 | 1 | 23.120 | 21/8:11.860 |