| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 18.996 | 19/6:00.924 |
| 2 | 4 | 18.495 | 20/6:14.910 |
| 3 | 4 | 18.219 | 20/6:11.400 |
| 4 | 4 | 18.225 | 20/6:09.675 |
| 5 | 4 | 20.238 | 20/6:16.692 |
| 6 | 4 | 18.706 | 20/6:16.263 |
| 7 | 4 | 18.465 | 20/6:15.269 |
| 8 | 4 | 18.241 | 20/6:13.962 |
| 9 | 4 | 18.594 | 20/6:13.731 |
| 10 | 4 | 17.894 | 20/6:12.146 |
| 11 | 4 | 18.580 | 20/6:12.096 |
| 12 | 4 | 18.252 | 20/6:11.508 |
| 13 | 4 | 18.436 | 20/6:11.294 |
| 14 | 4 | 18.890 | 20/6:11.759 |
| 15 | 4 | 18.256 | 20/6:11.316 |
| 16 | 4 | 18.701 | 20/6:11.485 |
| 17 | 4 | 20.390 | 20/6:13.621 |
| 18 | 4 | 18.590 | 20/6:13.520 |
| 19 | 4 | 18.968 | 20/6:13.827 |
| 20 | 4 | 18.428 | 20/6:13.564 |