| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 28.112 | N/A |
| 2 | 2 | 22.610 | 21/8:00.312 |
| 3 | 2 | 23.236 | 21/8:06.572 |
| 4 | 2 | 22.110 | 21/8:01.152 |
| 5 | 2 | 22.361 | 22/8:22.276 |
| 6 | 2 | 22.235 | 22/8:20.830 |
| 7 | 2 | 21.888 | 22/8:18.652 |
| 8 | 2 | 22.287 | 22/8:18.293 |
| 9 | 2 | 21.602 | 22/8:16.225 |
| 10 | 2 | 25.335 | 21/8:00.698 |
| 11 | 2 | 22.916 | 21/8:01.272 |
| 12 | 2 | 22.647 | 21/8:01.252 |
| 13 | 1 | 22.485 | 21/8:00.965 |
| 14 | 1 | 21.734 | 22/8:22.140 |
| 15 | 2 | 23.366 | 21/8:00.700 |
| 16 | 2 | 22.464 | 21/8:00.048 |
| 17 | 2 | 22.126 | 22/8:22.452 |
| 18 | 2 | 22.250 | 22/8:22.035 |
| 19 | 2 | 25.683 | 21/8:02.928 |
| 20 | 2 | 21.698 | 21/8:01.830 |
| 21 | 2 | 22.395 | 21/8:01.540 |