| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.419 | 21/6:05.799 |
| 2 | 1 | 17.456 | 21/6:06.188 |
| 3 | 1 | 18.028 | 21/6:10.321 |
| 4 | 1 | 17.115 | 21/6:07.594 |
| 5 | 1 | 17.172 | 21/6:06.198 |
| 6 | 1 | 20.940 | 20/6:00.433 |
| 7 | 1 | 17.114 | 21/6:15.732 |
| 8 | 1 | 18.231 | 21/6:16.622 |
| 9 | 1 | 16.947 | 21/6:14.318 |
| 10 | 1 | 17.087 | 21/6:12.769 |
| 11 | 1 | 17.082 | 21/6:11.492 |
| 12 | 1 | 17.557 | 21/6:11.259 |
| 13 | 1 | 17.959 | 21/6:11.711 |
| 14 | 1 | 16.991 | 21/6:10.647 |
| 15 | 1 | 16.905 | 21/6:09.604 |
| 16 | 1 | 17.281 | 21/6:09.185 |
| 17 | 1 | 17.463 | 21/6:09.040 |
| 18 | 1 | 17.575 | 21/6:09.042 |
| 19 | 1 | 19.768 | 21/6:11.468 |
| 20 | 1 | 21.617 | 21/6:15.592 |
| 21 | 1 | 17.911 | 21/6:15.618 |