| Event: | Women's 400 metres |
| Competition: | European Athletics Championships |
The women's 400 metres at the 2012 European Athletics Championships were held at the Helsinki Olympic Stadium on 27, 28 and 29 June.
| Gold | Moa Hjelmer Sweden | |
| Silver | Ksenia Zadorina | |
| Bronze | Ilona Vusovich Belarus |
| Standing records prior to the 2012 European Athletics Championships | |||||
|---|---|---|---|---|---|
| World record | 47.60 | Canberra, Australia | 6 October 1985 | ||
| European record | 47.60 | Canberra, Australia | 6 October 1985 | ||
| Championship record | 48.16 | Athens, Greece | 8 September 1982 | ||
| World Leading | 49.28 | Eugene, United States | 24 June 2012 | ||
| European Leading | 49.43 | 8 June 2012 | |||
| Date | Time | Round | |
|---|---|---|---|
| 27 June 2012 | 17:50 | Round 1 | |
| 28 June 2012 | 17:15 | Semifinals | |
| 29 June 2012 | 22:25 | Final |
First 3 in each heat (Q) and 4 best performers (q) advance to the Semifinals.
| Rank | Heat | Lane | Name | Nationality | Time | Note | |
|---|---|---|---|---|---|---|---|
| 1 | 4 | 3 | 51.98 | Q | |||
| 2 | 4 | 4 | 52.11 | Q, SB | |||
| 3 | 1 | 4 | 52.18 | Q | |||
| 4 | 1 | 2 | 52.33 | Q | |||
| 5 | 3 | 2 | 52.46 | Q | |||
| 6 | 2 | 6 | 52.48 | Q | |||
| 7 | 3 | 8 | 52.58 | Q | |||
| 8 | 2 | 8 | 52.76 | Q | |||
| 9 | 2 | 2 | 52.89 | Q | |||
| 10 | 2 | 5 | 53.09 | q | |||
| 3 | 3 | Q, Doping | |||||
| 11 | 4 | 7 | 53.15 | Q | |||
| 12 | 1 | 8 | 53.16 | Q | |||
| 13 | 2 | 3 | 53.22 | q | |||
| 14 | 1 | 1 | 53.23 | q | |||
| 15 | 3 | 4 | 53.26 | q | |||
| 16 | 2 | 7 | 53.32 | ||||
| 17 | 3 | 1 | 53.52 | ||||
| 18 | 3 | 5 | 53.68 | ||||
| 19 | 1 | 7 | 53.74 | ||||
| 20 | 4 | 6 | 53.92 | ||||
| 2 | 4 | Doping | |||||
| 21 | 3 | 6 | 54.35 | ||||
| 22 | 1 | 3 | 54.44 | ||||
| 23 | 4 | 8 | 54.52 | SB | |||
| 24 | 4 | 2 | 55.01 | ||||
| 25 | 1 | 5 | 55.50 | ||||
| 26 | 1 | 6 | 55.82 | ||||
| 4 | 1 | ||||||
| 3 | 7 | ||||||
| 4 | 5 |
First 3 in each heat (Q) and 2 best performers (q) advance to the Final.
| Rank | Heat | Lane | Name | Nationality | Time | Note | |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 4 | 51.35 | Q, SB | |||
| 2 | 1 | 3 | 51.40 | Q, NR | |||
| 3 | 1 | 6 | 51.98 | Q, SB | |||
| 4 | 2 | 2 | 52.02 | Q | |||
| 5 | 2 | 5 | 52.10 | Q | |||
| 6 | 2 | 4 | 52.10 | Q | |||
| 7 | 2 | 3 | 52.13 | q | |||
| 8 | 1 | 8 | 52.15 | q | |||
| 9 | 1 | 5 | 52.17 | ||||
| 10 | 1 | 1 | 52.47 | PB | |||
| 11 | 2 | 6 | 52.77 | ||||
| 12 | 2 | 7 | 52.78 | ||||
| 1 | 7 | Doping | |||||
| 13 | 1 | 2 | 53.02 | ||||
| 14 | 2 | 8 | 53.07 | ||||
| 2 | 1 |
| Rank | Lane | Name | Nationality | Time | Note | |
|---|---|---|---|---|---|---|
| 6 | 51.13 | NR | ||||
| 4 | 51.26 | SB | ||||
| 7 | 51.94 | |||||
| 4 | 5 | 52.01 | ||||
| 5 | 8 | 52.20 | ||||
| 6 | 3 | 52.57 | ||||
| 7 | 1 | 53.03 | ||||
| 8 | 2 | 54.50 |