Cycling at the 2004 Summer Olympics – Women's sprint Records Semifinals

| Heat | Time_ | Pos | Rider | Country_ |
|---|---|---|---|---|
| SF 1 | 2nd race: 12.101 s , 3rd race: 12.185 s | 1 | Lori-Ann Muenzer | Canada |
| SF 1 | 1st race: 11.802 s | 2 | Anna Meares | Australia |
| SF 2 | 2nd race: 11.965 s , 3rd race: 11.894 s | 1 | Tamilla Abassova | Russia |
| SF 2 | 1st race: 11.893 s | 2 | Svetlana Grankovskaya | Russia |