| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 1.215 | N/A |
| 2 | 1 | 18.433 | 21/6:09.875 |
| 3 | 1 | 18.505 | 21/6:10.595 |
| 4 | 1 | 18.603 | 21/6:11.488 |
| 5 | 1 | 18.214 | 21/6:09.099 |
| 6 | 1 | 18.603 | 21/6:10.647 |
| 7 | 1 | 18.214 | 21/6:09.788 |
| 8 | 1 | 18.514 | 21/6:10.032 |
| 9 | 1 | 17.775 | 21/6:08.367 |
| 10 | 1 | 18.341 | 21/6:08.330 |
| 11 | 1 | 19.762 | 21/6:11.143 |
| 12 | 1 | 18.276 | 21/6:10.742 |
| 13 | 1 | 18.476 | 21/6:10.741 |
| 14 | 1 | 18.356 | 21/6:10.556 |
| 15 | 1 | 18.800 | 21/6:11.032 |
| 16 | 1 | 19.364 | 21/6:12.196 |
| 17 | 1 | 18.628 | 21/6:12.295 |
| 18 | 1 | 18.765 | 21/6:12.543 |
| 19 | 1 | 18.994 | 21/6:13.018 |
| 20 | 1 | 18.609 | 21/6:13.038 |
| 21 | 1 | 18.253 | 21/6:12.700 |