| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 25.994 | N/A |
| 2 | 3 | 20.045 | 21/7:06.894 |
| 3 | 3 | 19.862 | 21/7:05.064 |
| 4 | 3 | 20.214 | 21/7:06.800 |
| 5 | 3 | 19.103 | 21/7:02.114 |
| 6 | 3 | 20.108 | 21/7:03.322 |
| 7 | 3 | 19.825 | 21/7:03.184 |
| 8 | 3 | 22.622 | 21/7:11.076 |
| 9 | 3 | 20.549 | 21/7:11.814 |
| 10 | 3 | 19.608 | 21/7:10.296 |
| 11 | 3 | 21.591 | 21/7:13.048 |
| 12 | 4 | 20.573 | 21/7:13.448 |
| 13 | 3 | 21.578 | 21/7:15.457 |
| 14 | 3 | 19.491 | 21/7:13.946 |
| 15 | 3 | 19.377 | 21/7:12.488 |
| 16 | 3 | 19.854 | 21/7:11.860 |
| 17 | 3 | 19.743 | 21/7:11.172 |
| 18 | 3 | 19.352 | 21/7:10.105 |
| 19 | 3 | 19.511 | 21/7:09.334 |
| 20 | 3 | 20.930 | 21/7:10.137 |
| 21 | 3 | 20.314 | 21/7:10.244 |