| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 23.992 | N/A |
| 2 | 4 | 20.020 | 24/8:04.452 |
| 3 | 4 | 19.310 | 25/8:15.952 |
| 4 | 4 | 18.515 | 25/8:06.752 |
| 5 | 4 | 23.796 | 24/8:13.427 |
| 6 | 4 | 20.307 | 24/8:12.952 |
| 7 | 4 | 18.622 | 24/8:06.177 |
| 8 | 4 | 22.050 | 24/8:12.600 |
| 9 | 4 | 25.113 | 23/8:05.257 |
| 10 | 4 | 21.626 | 23/8:06.869 |
| 11 | 4 | 22.207 | 23/8:09.437 |
| 12 | 4 | 18.800 | 23/8:04.724 |
| 13 | 4 | 25.662 | 23/8:13.376 |
| 14 | 4 | 17.889 | 23/8:07.543 |
| 15 | 4 | 19.394 | 23/8:04.909 |
| 16 | 4 | 1:13.251 | 20/8:08.303 |
| 17 | 4 | 19.096 | 20/8:01.960 |
| 18 | 4 | 22.852 | 20/8:00.562 |
| 19 | 4 | 22.126 | 21/8:22.476 |
| 20 | 4 | 19.293 | 21/8:17.601 |
| 21 | 4 | 19.338 | 21/8:13.259 |