| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 23.514 | N/A |
| 2 | 1 | 23.205 | 21/8:07.614 |
| 3 | 1 | 22.415 | 22/8:22.524 |
| 4 | 1 | 22.465 | 22/8:20.109 |
| 5 | 1 | 22.348 | 22/8:18.287 |
| 6 | 2 | 27.958 | 21/8:17.078 |
| 7 | 2 | 22.255 | 21/8:12.334 |
| 8 | 2 | 22.085 | 21/8:08.459 |
| 9 | 2 | 22.259 | 21/8:05.989 |
| 10 | 2 | 22.457 | 21/8:04.507 |
| 11 | 2 | 22.232 | 21/8:02.872 |
| 12 | 2 | 22.381 | 21/8:01.804 |
| 13 | 1 | 24.524 | 21/8:04.487 |
| 14 | 1 | 23.106 | 21/8:04.575 |
| 15 | 1 | 23.050 | 21/8:04.571 |
| 16 | 1 | 22.585 | 21/8:03.947 |
| 17 | 2 | 31.621 | 21/8:14.696 |
| 18 | 2 | 21.852 | 21/8:12.688 |
| 19 | 3 | 29.541 | 21/8:19.446 |
| 20 | 3 | 23.724 | 21/8:19.369 |
| 21 | 3 | 22.103 | 21/8:17.680 |