| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.781 | 20/6:15.620 |
| 2 | 4 | 19.085 | 20/6:18.660 |
| 3 | 4 | 18.828 | 20/6:17.960 |
| 4 | 2 | 18.050 | 20/6:13.720 |
| 5 | 2 | 19.866 | 20/6:18.440 |
| 6 | 2 | 18.002 | 20/6:15.373 |
| 7 | 2 | 19.063 | 20/6:16.214 |
| 8 | 2 | 18.104 | 20/6:14.447 |
| 9 | 2 | 19.246 | 20/6:15.611 |
| 10 | 2 | 18.852 | 20/6:15.754 |
| 11 | 2 | 18.691 | 20/6:15.578 |
| 12 | 2 | 19.090 | 20/6:16.097 |
| 13 | 3 | 19.244 | 20/6:16.772 |
| 14 | 4 | 18.938 | 20/6:16.914 |
| 15 | 4 | 19.564 | 20/6:17.872 |
| 16 | 4 | 18.800 | 20/6:17.755 |
| 17 | 4 | 18.340 | 20/6:17.111 |
| 18 | 4 | 18.963 | 20/6:17.230 |
| 19 | 4 | 18.882 | 20/6:17.252 |
| 20 | 4 | 18.944 | 20/6:17.333 |