| Heats: 2 |
| # | Result | Name | Team | |
|---|---|---|---|---|
| HEAT 1 / 2 | ||||
| 1 | 41.63 | Josefine Skifter Andersen (2003) | DEN-Slagelse Atletik DELTA | |
| 7 | 47.14 | Emilie Kirst (2004) | DEN-Sparta | |
| 9 | 47.93 | Eva Tsinat Krause (2004) | DEN-Sparta | |
| 10 | 47.99 | Liv Strauss (2003) | DEN-Amager AC | |
| 11 | 48.82 | Ida Mørch (2003) | DEN-Holte Atletik | |
| HEAT 2 / 2 | ||||
| 2 | 43.36 | Louise Høkilde (2003) | DEN-Greve Atletik | |
| 3 | 43.39 | Majken Lützen (2003) | DEN-Ballerup AK | |
| 4 | 43.42 | Alma Witt (2004) | DEN-Københavns IF | |
| 5 | 44.87 | Betty Marie Ramsgaard Jensen (2004) | DEN-Sparta | |
| 6 | 45.75 | Selma Bertram (2003) | DEN-Ballerup AK | |
| 8 | 47.43 | Annika G Truelsen (2003) | DEN-Sparta | |
| # | Q | Name | Team | BibNo | PB | SB | |
|---|---|---|---|---|---|---|---|
| HEAT 1 / 2 | |||||||
| 2 | Emilie Kirst (2004) | DEN-Sparta | 389 | ||||
| 3 | 48.46 | Eva Tsinat Krause (2004) | DEN-Sparta | 393 | |||
| 4 | 46.92 | Josefine Skifter Andersen (2003) | DEN-Slagelse Atletik DELTA | 342 | |||
| 5 | 47.32 | Liv Strauss (2003) | DEN-Amager AC | 21 | |||
| 6 | Ida Mørch (2003) | DEN-Holte Atletik | 243 | ||||
| HEAT 2 / 2 | |||||||
| 1 | 46.36 | Annika G Truelsen (2003) | DEN-Sparta | 356 | |||
| 2 | 44.49 | Selma Bertram (2003) | DEN-Ballerup AK | 111 | |||
| 3 | 42.86 | Majken Lützen (2003) | DEN-Ballerup AK | 88 | |||
| 4 | 42.79 | Louise Høkilde (2003) | DEN-Greve Atletik | 188 | |||
| 5 | 43.78 | Alma Witt (2004) | DEN-Københavns IF | 306 | |||
| 6 | 44.62 | Betty Marie Ramsgaard Jensen (2004) | DEN-Sparta | 364 | |||
| SCRATCHES | |||||||
| 1 | 46.46 | DNS | Ida Marie-Skøt Nielsen (2004) | DEN-HG ATM | 225 | ||
| 2 | DNS | Sophie Brønnum-Carlsen (2003) | DEN-Ballerup AK | 114 | |||