| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 16.193 | 19/5:07.667 |
| 2 | 1 | 16.276 | 19/5:08.456 |
| 3 | 2 | 16.499 | 19/5:10.131 |
| 4 | 1 | 16.260 | 19/5:09.833 |
| 5 | 2 | 16.452 | 19/5:10.384 |
| 6 | 2 | 16.063 | 19/5:09.520 |
| 7 | 1 | 16.611 | 19/5:10.389 |
| 8 | 1 | 16.244 | 19/5:10.170 |
| 9 | 1 | 17.531 | 19/5:12.717 |
| 10 | 1 | 16.158 | 19/5:12.145 |
| 11 | 2 | 17.182 | 19/5:13.446 |
| 12 | 2 | 16.537 | 19/5:13.510 |
| 13 | 2 | 16.852 | 19/5:14.023 |
| 14 | 2 | 16.639 | 19/5:14.175 |
| 15 | 2 | 16.763 | 19/5:14.463 |
| 16 | 2 | 16.941 | 19/5:14.926 |
| 17 | 2 | 16.759 | 19/5:15.132 |
| 18 | 2 | 16.213 | 19/5:14.738 |
| 19 | 2 | 16.068 | 19/5:14.241 |