The women's 3000 metres steeplechase at the 2012 World Junior Championships in Athletics was held at the Estadi Olímpic Lluís Companys on 10 and 12 July.[1]
| width=200 bgcolor=gold | Gold | width=200 bgcolor=silver | Silver | width=200 bgcolor=CC9966 | Bronze |
| Daisy Jepkemei | Tejinesh Gebisa | Stella Jepkosgei Rutto |
, the existing world junior and championship records were as follows.
| World Junior Record | 9:20.37 | Rome, Italy | 26 May 2011 | ||
| Championship Record | 9:31.35 | Bydgoszcz, Poland | 10 July 2008 | ||
| World Junior Leading | 10:05.73 | Sochi, Russia | 26 May 2012 | ||
| Broken records during the 2012 World Junior Championships in Athletics | |||||
|---|---|---|---|---|---|
| World Junior Leading | 9:47.22 | Barcelona, Spain | 12 July 2012 | ||
Qualification: The first 4 of each heat (Q) and the 4 fastest times (q) qualified
| Rank | Heat | Lane | Name | Nationality | Time | Note | |
|---|---|---|---|---|---|---|---|
| 1 | 2 | 16 | 9:56.33 | Q, WJL | |||
| 2 | 1 | 1 | 10:01.48 | Q, PB | |||
| 3 | 1 | 4 | 10:07.13 | Q, PB | |||
| 4 | 1 | 16 | 10:07.38 | Q | |||
| 5 | 1 | 6 | 10:08.15 | Q, PB | |||
| 6 | 2 | 14 | 10:12.55 | Q, PB | |||
| 7 | 2 | 6 | 10:14.22 | Q | |||
| 8 | 1 | 17 | 10:19.28 | q | |||
| 9 | 2 | 4 | 10:22.55 | Q, PB | |||
| 10 | 2 | 15 | 10:22.84 | q | |||
| 11 | 2 | 7 | 10:23.07 | q | |||
| 12 | 1 | 7 | 10:28.27 | q | |||
| 13 | 1 | 5 | 10:30.83 | ||||
| 14 | 2 | 1 | 10:33.84 | ||||
| 15 | 1 | 11 | 10:35.06 | ||||
| 16 | 2 | 8 | 10:35.24 | ||||
| 17 | 1 | 9 | 10:36.38 | ||||
| 18 | 1 | 13 | 10:37.83 | PB | |||
| 19 | 2 | 17 | 10:39.33 | ||||
| 20 | 1 | 3 | 10:39.73 | PB | |||
| 21 | 2 | 13 | 10:43.25 | PB | |||
| 22 | 2 | 12 | 10:47.38 | ||||
| 23 | 1 | 14 | 10:47.42 | PB | |||
| 24 | 2 | 2 | 10:49.82 | PB | |||
| 25 | 2 | 11 | 10:57.98 | ||||
| 26 | 2 | 9 | 11:00.65 | ||||
| 27 | 2 | 5 | 11:08.14 | ||||
| 28 | 1 | 10 | 11:10.51 | ||||
| 29 | 1 | 12 | 11:13.18 | ||||
| 30 | 1 | 15 | 11:13.91 | ||||
| 31 | 1 | 18 | 11:19.49 | ||||
| 32 | 1 | 2 | 11:20.23 | ||||
| 33 | 2 | 3 | 11:23.61 | ||||
| 34 | 2 | 10 | 11:35.05 | ||||
| 35 | 1 | 8 | 12:14.65 |
| Rank | Name | Nationality | Time | Note | |
|---|---|---|---|---|---|
| 9:47.22 | WJL | ||||
| 9:50.51 | PB | ||||
| 9:50.58 | PB | ||||
| 9:56.46 | NJ | ||||
| 10:00.72 | NJ | ||||
| 10:03.09 | PB | ||||
| 10:03.15 | PB | ||||
| 10:19.34 | SB | ||||
| 10:27.95 | |||||
| 10 | 10:28.33 | ||||
| 11 | 10:30.62 | ||||
| 12 | 10:35.40 |
According to an unofficial count, 35 athletes from 24 countries participated in the event.