2007 World Championships in Athletics – Women's 400 metres hurdles
The women's 400 metres hurdles at the 2007 World Championships in Athletics was held at the Nagai Stadium on 27, 28 and 30 August.
Medalists
Schedule
Results
Heats
Qualification: First 4 in each heat and the next 4 fastest advance to the [|semifinals].| Rank | Heat | Name | Nationality | Time | Notes |
| 2 | Tiffany Ross-Williams | 54.24 | Q | ||
| 1 | Yuliya Pechenkina | 54.50 | Q | ||
| 3 | Tetiana Tereschuk-Antipova | 54.74 | Q, SB | ||
| 4 | Jana Rawlinson | 54.77 | Q | ||
| 2 | Anna Jesień | 55.01 | Q | ||
| 1 | Nickiesha Wilson | 55.15 | Q | ||
| 3 | Melaine Walker | 55.40 | Q | ||
| 4 | Natalia Ivanova | 55.52 | Q | ||
| 5 | Xiaoxiao Huang | 55.64 | Q | ||
| 10 | 3 | Fani Chalkia | 55.66 | Q, SB | |
| 11 | 1 | Tasha Danvers-Smith | 55.67 | Q | |
| 12 | 4 | Muna Jabir Adam | 55.80 | Q | |
| 13 | 3 | Zuzana Hejnová | 55.87 | Q, SB | |
| 14 | 4 | Ionela Târlea-Manolache | 55.90 | Q, SB | |
| 15 | 2 | Tatyana Azarova | 55.93 | Q | |
| 15 | 4 | Kaliese Spencer | 55.93 | q | |
| 17 | 1 | Nicole Leach | 55.95 | Q | |
| 18 | 5 | Yevgeniya Isakova | 56.02 | Q | |
| 19 | 3 | Erica Mårtensson | 56.19 | q, PB | |
| 20 | 3 | Yekaterina Bikert | 56.23 | q | |
| 21 | 5 | Sheena Johnson | 56.30 | Q | |
| 22 | 1 | Hristína Hantzi-Neag | 56.37 | q | |
| 23 | 3 | Élodie Ouédraogo | 56.44 | ||
| 24 | 3 | Ulrike Urbansky | 56.76 | ||
| 25 | 2 | Tsvetelina Kirilova | 56.77 | Q | |
| 26 | 1 | Satomi Kubokura | 57.01 | ||
| 27 | 2 | Aïssata Soulama | 57.06 | ||
| 28 | 3 | Michelle Carey | 57.10 | ||
| 29 | 5 | Christina Kron | 57.28 | Q | |
| 30 | 2 | Anastasiya Rabchenyuk | 57.31 | ||
| 31 | 2 | Özge Gürler | 57.40 | ||
| 32 | 1 | Ilona Ranta | 57.64 | ||
| 33 | 5 | Andrea Blackett | 57.70 | ||
| 34 | 5 | Lamiae Lhabze | 57.81 | ||
| 35 | 5 | Lucimar Teodoro | 58.32 | ||
| 36 | 4 | Muizat Ajoke Odumosu | 59.05 | ||
| 37 | 1 | Nadia Nazir | PB |
Semifinals
Qualification: First 2 in each semifinal and the next 2 fastest advance to the [|final].| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | Jana Rawlinson | 53.57 | Q | ||
| 2 | Yuliya Pechenkina | 53.82 | Q | ||
| 3 | Anna Jesień | 53.86 | Q, NR | ||
| 3 | Nickiesha Wilson | 53.97 | Q, PB | ||
| 2 | Xiaoxiao Huang | 54.00 | Q, PB | ||
| 1 | Tasha Danvers-Smith | 54.08 | Q, SB | ||
| 1 | Yevgeniya Isakova | 54.11 | q, SB | ||
| 3 | Tiffany Ross-Williams | 54.15 | q | ||
| 1 | Tetiana Tereschuk-Antipova | 54.38 | SB | ||
| 10 | 2 | Melaine Walker | 54.54 | ||
| 11 | 1 | Sheena Johnson | 54.55 | ||
| 12 | 3 | Natalya Ivanova | 54.88 | ||
| 13 | 1 | Zuzana Hejnová | 55.04 | NR | |
| 14 | 3 | Ionela Târlea-Manolache | 55.41 | SB | |
| 15 | 3 | Muna Jabir Adam | 55.65 | ||
| 16 | 2 | Tatyana Azarova | 55.74 | ||
| 17 | 3 | Tsvetelina Kirilova | 56.03 | PB | |
| 18 | 2 | Christina Kron | 56.05 | ||
| 19 | 2 | Nicole Leach | 56.10 | ||
| 20 | 3 | Hristina Hantzi-Neag | 56.35 | ||
| 21 | 1 | Erica Mårtensson | 56.46 | ||
| 22 | 2 | Fani Chalkia | 56.58 | ||
| 23 | 1 | Kaliese Spencer | 56.69 | ||
| 24 | 2 | Yekaterina Bikert |