| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.316 | 21/7:06.636 |
| 2 | 1 | 21.398 | 21/7:17.997 |
| 3 | 1 | 19.602 | 21/7:09.212 |
| 4 | 1 | 23.735 | 20/7:05.255 |
| 5 | 1 | 19.415 | 21/7:18.757 |
| 6 | 1 | 20.240 | 21/7:16.471 |
| 7 | 1 | 21.151 | 21/7:17.571 |
| 8 | 1 | 19.623 | 21/7:14.385 |
| 9 | 1 | 20.862 | 21/7:14.798 |
| 10 | 1 | 23.951 | 20/7:00.586 |
| 11 | 1 | 23.955 | 20/7:05.905 |
| 12 | 1 | 19.401 | 20/7:02.748 |
| 13 | 1 | 23.080 | 20/7:05.737 |
| 14 | 1 | 19.564 | 20/7:03.276 |
| 15 | 1 | 23.440 | 20/7:06.311 |
| 16 | 1 | 19.763 | 20/7:04.370 |
| 17 | 1 | 19.684 | 20/7:02.565 |
| 18 | 1 | 20.881 | 20/7:02.290 |
| 19 | 1 | 23.113 | 20/7:04.394 |
| 20 | 1 | 20.852 | 20/7:04.026 |