| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.136 | 18/5:08.448 |
| 2 | 3 | 17.380 | 18/5:10.644 |
| 3 | 2 | 17.315 | 18/5:10.986 |
| 4 | 2 | 17.528 | 18/5:12.116 |
| 5 | 4 | 17.593 | 18/5:13.027 |
| 6 | 4 | 17.720 | 18/5:14.016 |
| 7 | 3 | 16.934 | 18/5:12.701 |
| 8 | 3 | 17.462 | 18/5:12.903 |
| 9 | 2 | 17.378 | 18/5:12.892 |
| 10 | 2 | 17.048 | 18/5:12.289 |
| 11 | 2 | 17.271 | 18/5:12.161 |
| 12 | 2 | 17.520 | 18/5:12.428 |
| 13 | 2 | 17.380 | 18/5:12.459 |
| 14 | 2 | 17.887 | 18/5:13.138 |
| 15 | 2 | 17.522 | 18/5:13.289 |
| 16 | 3 | 19.333 | 18/5:15.458 |
| 17 | 3 | 17.572 | 18/5:15.507 |
| 18 | 2 | 17.787 | 18/5:15.766 |