| Event: | Women's 800 metres |
| Competition: | 2007 World Championships |
| Venue: | Nagai Stadium |
| Dates: | 25 August (heats) 26 August (semifinals) 28 August (final) |
| Competitors: | 46 |
| Nations: | 36 |
| Win Value: | 1:56.04 |
| Gold: | Janeth Jepkosgei |
| Silver: | Hasna Benhassi |
| Bronze: | Mayte Martínez |
| Prev: | 2005 |
| Next: | 2009 |
The women's 800 metres at the 2007 World Championships in Athletics was held at the Nagai Stadium on 25, 26 and 28 August.
| width=200 bgcolor=gold | Gold | width=200 bgcolor=silver | Silver | width=200 bgcolor=CC9966 | Bronze |
| Janeth Jepkosgei | Hasna Benhassi | Mayte Martínez |
| Date | Time | Round | |
|---|---|---|---|
| August 25, 2007 | 19:30 | Heats | |
| August 26, 2007 | 19:35 | Semifinals | |
| August 28, 2007 | 21:20 | Final |
Qualification: First 3 in each heat(Q) and the next 6 fastest(q) advance to the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 6 | 1:58.95 | Q, SB | ||||
| 6 | 1:59.58 | Q, SB | ||||
| 6 | 1:59.72 | Q, PB | ||||
| 6 | 1:59.76 | q, SB | ||||
| 5 | 1:59.95 | Q, SB | ||||
| 3 | 2:00.00 | Q | ||||
| 1 | 2:00.11 | Q | ||||
| 3 | 2:00.14 | Q, PB | ||||
| 3 | 2:00.20 | Q | ||||
| 10 | 4 | 2:00.31 | Q | |||
| 11 | 5 | 2:00.35 | Q | |||
| 12 | 5 | 2:00.38 | Q | |||
| 13 | 6 | 2:00.43 | q, PB | |||
| 14 | 3 | 2:00.45 | q | |||
| 14 | 5 | 2:00.45 | q | |||
| 16 | 4 | 2:00.47 | Q | |||
| 17 | 1 | 2:00.53 | Q | |||
| 18 | 3 | 2:00.54 | q | |||
| 19 | 5 | 2:00.61 | q | |||
| 20 | 4 | 2:00.73 | Q | |||
| 21 | 5 | 2:00.74 | SB | |||
| 22 | 1 | 2:00.85 | Q, SB | |||
| 23 | 6 | 2:00.93 | ||||
| 24 | 1 | 2:01.08 | ||||
| 25 | 4 | 2:01.21 | ||||
| 26 | 2 | 2:01.75 | Q | |||
| 27 | 2 | 2:01.79 | Q | |||
| 28 | 2 | 2:01.81 | Q | |||
| 29 | 2 | 2:02.11 | ||||
| 30 | 4 | 2:02.45 | ||||
| 31 | 1 | 2:02.49 | ||||
| 32 | 2 | 2:02.86 | ||||
| 33 | 1 | 2:03.70 | ||||
| 34 | 4 | 2:03.75 | SB | |||
| 35 | 2 | 2:04.35 | ||||
| 36 | 3 | 2:06.57 | PB | |||
| 37 | 3 | 2:07.28 | NR | |||
| 38 | 4 | 2:07.34 | ||||
| 39 | 2 | 2:09.17 | ||||
| 40 | 6 | 2:09.90 | ||||
| 41 | 1 | 2:13.46 | ||||
| 42 | 1 | 2:15.72 | NR | |||
| 43 | 6 | 2:30.08 | SB | |||
| 44 | 3 | 2:30.35 | PB | |||
| 45 | 5 | 2:36.14 | ||||
| 5 | DNS |
Qualification: First 2 in each semifinal (Q) and the next 2 fastest (q) advance to the final.
| Rank | Heat | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 3 | 1:56.17 | Q, WL | ||||
| 3 | 1:56.84 | Q, SB | ||||
| 3 | 1:56.98 | q, SB | ||||
| 1 | 1:58.11 | Q, PB | ||||
| 3 | 1:58.41 | q, PB | ||||
| 1 | 1:58.56 | Q | ||||
| 1 | 1:58.62 | PB | ||||
| 1 | 1:58.63 | PB | ||||
| 2 | 1:58.97 | Q | ||||
| 10 | 2 | 1:59.32 | Q, SB | |||
| 11 | 3 | 1:59.39 | PB | |||
| 12 | 3 | 1:59.46 | PB | |||
| 13 | 2 | 1:59.51 | SB | |||
| 14 | 2 | 1:59.63 | PB | |||
| 15 | 1 | 2:00.07 | SB | |||
| 16 | 2 | 2:00.25 | ||||
| 17 | 1 | 2:00.48 | ||||
| 18 | 1 | 2:00.51 | ||||
| 19 | 2 | 2:00.90 | ||||
| 20 | 3 | 2:01.02 | ||||
| 20 | 2 | 2:01.02 | ||||
| 22 | 3 | 2:02.25 | ||||
| 23 | 1 | 2:02.92 | ||||
| 24 | 2 | 2:06.97 |
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1:56.04 | WL, PB | ||||
| 1:56.99 | |||||
| 1:57.62 | PB | ||||
| 4 | 1:58.22 | ||||
| 5 | 1:58.52 | ||||
| 6 | 1:58.92 | ||||
| 7 | 2:00.90 | ||||
| - | DNF |