| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 8.497 | N/A |
| 2 | 3 | 17.629 | 21/6:01.077 |
| 3 | 3 | 17.553 | 21/6:00.317 |
| 4 | 3 | 17.646 | 21/6:00.683 |
| 5 | 3 | 18.564 | 21/6:05.457 |
| 6 | 1 | 18.305 | 21/6:07.285 |
| 7 | 2 | 20.518 | 21/6:15.880 |
| 8 | 1 | 17.683 | 21/6:13.919 |
| 9 | 1 | 17.983 | 21/6:13.199 |
| 10 | 1 | 17.708 | 21/6:12.028 |
| 11 | 1 | 18.780 | 21/6:13.235 |
| 12 | 1 | 17.528 | 21/6:11.946 |
| 13 | 1 | 17.849 | 21/6:11.407 |
| 14 | 1 | 17.944 | 21/6:11.097 |
| 15 | 1 | 17.749 | 21/6:10.552 |
| 16 | 1 | 18.276 | 21/6:10.783 |
| 17 | 1 | 18.152 | 21/6:10.830 |
| 18 | 1 | 18.066 | 21/6:10.771 |
| 19 | 1 | 18.084 | 21/6:10.738 |
| 20 | 1 | 17.740 | 21/6:10.346 |
| 21 | 1 | 18.233 | 21/6:10.487 |