| Event: | Athletics – Girls' 400 metres hurdles |
| Games: | 2014 Summer Youth |
| Venue: | Nanjing Olympic Sports Centre |
| Date: | August 22–25 |
| Competitors: | 16 |
| Nations: | 16 |
| Gold: | Gezelle Magerman |
| Goldnoc: | RSA |
| Silver: | Michaela Peskova |
| Silvernoc: | SVK |
| Bronze: | Anne Sofie Kirkegaard |
| Bronzenoc: | DEN |
| Prev: | 2010 |
| Next: | 2018 |
The girls’ 400 metre hurdles competition at the 2014 Summer Youth Olympics was held on 22–25 August 2014 in Nanjing Olympic Sports Center.
| Date | Time | Round | |
|---|---|---|---|
| 22 August 2014 | 18:55 | Heats | |
| 25 August 2014 | 19:20 | Final |
Eight fastest athletes advanced to Final A, the others advanced to Final B according to their times.
| Rank | Heat | Lane | Athlete | Result | Notes | Q | |
|---|---|---|---|---|---|---|---|
| 1 | 2 | 7 | 58.57 | PB | FA | ||
| 2 | 2 | 2 | 58.68 | PB | FA | ||
| 3 | 1 | 2 | 59.44 | FA | |||
| 4 | 2 | 4 | 59.92 | FA | |||
| 5 | 1 | 9 | 1:00.24 | FA | |||
| 6 | 2 | 3 | 1:00.36 | FA | |||
| 7 | 1 | 8 | 1:00.41 | FA | |||
| 8 | 1 | 4 | 1:00.60 | FA | |||
| 9 | 1 | 5 | 1:00.93 | PB | FB | ||
| 10 | 1 | 6 | 1:01.03 | FB | |||
| 11 | 1 | 3 | 1:01.52 | PB | FB | ||
| 12 | 2 | 5 | 1:02.01 | FB | |||
| 13 | 2 | 9 | 1:02.21 | PB | FB | ||
| 14 | 2 | 8 | 1:02.95 | PB | FB | ||
| 15 | 2 | 6 | 1:03.02 | FB | |||
| 16 | 1 | 7 | 1:04.51 | SB | FB |
| Rank | Final Placing | Lane | Athlete | Result | Notes | |
|---|---|---|---|---|---|---|
| 1 | 4 | 57.91 | PB | |||
| 2 | 5 | 58.26 | PB | |||
| 3 | 6 | 58.60 | PB | |||
| 4 | 4 | 8 | 59.76 | PB | ||
| 5 | 5 | 3 | 59.86 | |||
| 6 | 6 | 2 | 1:00.27 | |||
| 7 | 7 | 9 | 1:03.06 | |||
| 8 | 8 | 7 | 1:10.21 |
| Rank | Final Placing | Lane | Athlete | Result | Notes | |
|---|---|---|---|---|---|---|
| 1 | 9 | 4 | 59.74 | PB | ||
| 2 | 10 | 6 | 1:00.87 | |||
| 3 | 11 | 7 | 1:02.28 | |||
| 4 | 12 | 5 | 1:02.34 | |||
| 5 | 13 | 8 | 1:02.63 | |||
| 6 | 14 | 9 | 1:02.66 | PB | ||
| 7 | 15 | 2 | 1:04.13 | SB | ||
| 8 | 16 | 3 | 1:04.18 |