| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.126 | 19/7:00.394 |
| 2 | 1 | 22.481 | 19/7:03.767 |
| 3 | 1 | 23.372 | 19/7:10.534 |
| 4 | 2 | 22.023 | 19/7:07.510 |
| 5 | 2 | 21.977 | 19/7:05.520 |
| 6 | 1 | 24.413 | 19/7:11.908 |
| 7 | 2 | 26.276 | 19/7:21.527 |
| 8 | 2 | 23.474 | 19/7:22.087 |
| 9 | 2 | 25.105 | 18/7:02.494 |
| 10 | 2 | 21.740 | 19/7:22.675 |
| 11 | 2 | 21.688 | 19/7:19.893 |
| 12 | 2 | 21.459 | 19/7:17.212 |
| 13 | 2 | 20.939 | 19/7:14.184 |
| 14 | 1 | 23.001 | 19/7:14.386 |
| 15 | 1 | 22.106 | 19/7:13.428 |
| 16 | 1 | 23.472 | 19/7:14.212 |
| 17 | 1 | 21.870 | 19/7:13.113 |
| 18 | 1 | 25.990 | 19/7:16.485 |
| 19 | 1 | 21.774 | 19/7:15.286 |