| Final 19:45 | time | | L | _________ | | 1. Germany |  _ | 42.51s | EL | 6 | | Leena Günther, Anne Cibis, Tatjana Lofamakanda Pinto, Verena Sailer | | 2. Netherlands |  _ | 42.80s | NR | 7 | | Kadene Vassell, Dafne Schippers, Eva Lubbers, Jamile Samuel | | 3. Poland |  _ | 43.06s | | 8 | | Marika Popowicz, Daria Korczyńska, Marta Jeschke, Ewelina Ptak | | 4. Russia |  _ | 43.37s | | 4 | | Yevgeniya Polyakova, Yekaterina Kuzina, Yekaterina Voronenkova, Olga Belkina | | 3. France |  _ | 43.44s | | 3 | | Carima Louami, Ayodele Ikuesan, Lina Jacques-Sébastien, Christine Arron | | 6. Switzerland |  _ | 43.61s | | 1 | | Michelle Cueni, Jacqueline Gasser, Ellen Sprunger, Léa Sprunger | | 7. Belarus |  _ | 44.06s | | 2 | | Volha Astashka, Katsiaryna Hanchar, Elena Danilyuk-Nevmerzhytskaya, Yuliya Balykina | | -. Ukraine |  _ | DNF | 5 | | -. Olesya Povh, Nataliya Pohrebnyak, Mariya Ryemyen, Viktoriya Pyatachenko |
Heats. Saturday 30.06 20:25. | | First 3 and best 2 progress to Final. |
| Heat 1 | time | | L | Rk. | _________ | | 1. Ukraine | _ | 42.70s | | 2 | 1. | | Olesya Povh, Nataliya Pohrebnyak, Mariya Ryemyen, Viktoriya Pyatachenko | | 2. France | _ | 43.12s | SB | 3 | 3. | | Carima Louami, Ayodele Ikuesan, Jennifer Galais, Christine Arron | | 3. Poland | _ | 43.13s | SB | 6 | 4. | | Marika Popowicz, Daria Korczyńska, Marta Jeschke, Ewelina Ptak | | 4. Switzerland | _ | 43.51s | NR | 4 | 5. | | Michelle Cueni, Jacqueline Gasser, Ellen Sprunger, Léa Sprunger | | 5. Belarus | _ | 43.69s | | 5 | 7. | | Volha Astashka, Katsiaryna Hanchar, Elena Danilyuk-Nevmerzhytskaya, Yuliya Balykina | | 6. Slovenia |  _ | 44.28s | SB | 7 | 11. | | Alja Sitar, Sara Strajnar, Kristina Žumer, Merlene Ottey | | 7. Bulgaria |  _ | 45.25s | | 8 | 13. | | Gabriela Laleva, Tezdzhan Naimova, Karin Okoliye, Vaia Vladeva | | 8. Spain |  _ | 45.47s | | 1 | 14. | | Belén Recio, Plácida Martínez, Alazne Furundarena, Sara María Santiago |
| Heat 2 | time | | L | Rk. | _________ | | 1. Germany | _ | 43.03s | SB | 8 | 2. | | Leena Günther, Anne Cibis, Tatjana Lofamakanda Pinto, Verena Sailer | | 2. Russia | _ | 43.62s | SB | 7 | 6. | | Yevgeniya Polyakova, Yekaterina Kuzina, Yekaterina Voronenkova, Olga Belkina | | 3. Netherlands | _ | 43.80s | | 3 | 8. | | Esther Akihary, Marit Dopheide, Eva Lubbers, Kadene Vassell | | 4. Belgium |  _ | 43.81s | SB | 1 | 9. | | Olivia Borlée, Hanna Mariën, Hanne Claes, Anne Zagré | | 5. Italy |  _ | 43.90s | SB | 5 | 10. | | Gloria Hooper, Audrey Alloh, Martina Amidei, Ilenia Draisci | | 6. Finland |  _ | 44.65s | SB | 4 | 12. | | Maria Räsänen, Noora Hämäläinen, Minna Laukka, Hanna-Maari Latvala | | -. Great Britain |  _ | DQ R 163.3a | 6 | Lane infringment. | | Anyika Onuora, Montell Douglas, Hayley Jones, Ashleigh Nelson | | -. Sweden |  _ | DQ R 170.7 | 2 | Takeof out of zone. | | Julia Skugge, Erica Jarder, Freja Jernstig, Lena Berntsson |
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| 30 June 2012 | 20:25 | Round 1 | | 1 July 2012 | 19:45 | Final |
| World and European Record: East Germany - Silke Gladisch, Sabine Rieger, Ingrid Auerswald, Marlies Göhr | 41.37 | Canberra, Australia | 6 October 1985 | | Championship record: East Germany - Silke Möller, Katrin Krabbe, Kerstin Behrendt, Sabine Günther | 41.68 | Split, Yugoslavia | 1 September 1990 | | World Leading: United States - RED | 42.19 | Philadelphia, United States | 28 April 2012 | | European Leading: Ukraine - Nataliya Pohrebnyak, Mariya Ryemyen, Olesya Povh, Viktoriya Pyatachenko | 42.60 | Yalta, Ukraine | 29 May 2012 |
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