# 2018 IAAF World U20 Championships – Women's 4 × 400 metres relay

The women's 4 × 400 metres relay at the 2018 IAAF World U20 Championships will be held at Ratina Stadium on 14 and 15 July.

## Records

| World Junior Record | United States | 3:27.60 | Grosseto, Italy | 18 July 2004 |
| Championship Record | United States | 3:27.60 | Grosseto, Italy | 18 July 2004 |
| World Junior Leading | Germany | 3:35.08 | Regensburg, Germany | 3 June 2018 |

## Results
### Heats

Qualification: First 2 of each heat ( Q ) plus the 2 fastest times ( q ) qualified for the final.
| Rank | Heat | Nation | Athletes | Time | Notes |
| 1 | 3 | United States | Symone Mason, Shae Anderson, Jan'Taijah Ford, Arria Minor | 3:33.11 | Q, WJL |
| 2 | 1 | Jamaica | Janielle Josephs, Stacey-Ann Williams, Chrissani May, Calisha Taylor | 3:34.22 | Q, WJL |
| 3 | 2 | Australia | Ella Connolly, Cara Jardine, Jemima Russell, Carley Thomas | 3:35.48 | Q, SB |
| 4 | 1 | Italy | Camilla Pitzalis, Eloisa Coiro, Chiara Gherardi, Elisabetta Vandi | 3:35.86 | Q, NJR |
| 5 | 2 | Canada | Xahria Santiago, Aurora Rynda, Sharelle Samuel, Ashlan Best | 3:36.14 | Q, SB |
| 6 | 3 | Dominican Republic | Milagros Durán, Lilian Reyes, Maria Fernanda Matos, Fiordaliza Cofil | 3:36.22(.214) | Q, NJR |
| 7 | 1 | Brazil | Marlene Santos, Tiffani Silva, Chayenne Da Silva, Leticia Lima | 3:36.22(.215) | q, AJR |
| 8 | 3 | Germany | Anna-Maria Hofmann, Lisa Sophie Hartmann, Johanna Berrens, Laura Kaufmann | 3:36.50 | q |
| 9 | 2 | Japan | Ayano Shiomi, Shuri Aono, Moeka Sekimoto, Ayaka Kawata | 3:36.70 | SB |
| 10 | 1 | Poland | Natalia Widawska, Natalia Wosztyl, Weronika Bartnowska, Karolina Łozowska | 3:38.23 | SB |
| 11 | 1 | Hungary | Janka Molnár, Hanna Répássy, Mira Koszegi, Sára Mátó | 3:38.49 | SB |
| 12 | 2 | India | V Subha, Jisna Mathew, Ritika, Hima Das | 3:39.10 | NJR |
| 13 | 3 | Ethiopia | Mahilet Fikre, Diribe Welteji, Zinash Tesfaye, Frehiywot Wondie | 3:39.29 | NJR |
| 14 | 3 | Finland | Nea Mattila, Mette Baas, Wilma Lassfolk, Viivi Lehikoinen | 3:39.58 | SB |
| 15 | 1 | China | Tianlu Lan, Yu Zhou, Jiadie Mo, Nuo Liang | 3:42.04 | SB |
| 16 | 3 | Slovakia | Emma Zapletalová, Mária Šimlovicová, Sophia Zápotocná, Miriam Cidoríková | 3:44.05 | NJR |
| 17 | 2 | Ukraine | Maryana Shostak, Olena Radyuk, Tetyana Kaysen, Tetyana Bezshyyko | 3:44.74 | SB |
| 18 | 3 | South Africa | Liza Kellerman, Marlie Viljoen, Nicola Gibbon, Zeney Van Der Walt | 3:50.39 | |
| 19 | 2 | Sri Lanka | Sandumini Bandara, Shyamali Kumarasinghe, Romeshi Ishara Attidiya, Amasha De Silva | 3:51.02 | |

### Final

| Rank | Nation | Athletes | Time | Notes |
| | United States | Symone Mason, Shae Anderson, Julia Madubuike, Taylor Manson | 3:28.74 | WJL |
| | Australia | Ella Connolly, Cara Jardine, Jemima Russell, Carley Thomas | 3:31.36 | SB |
| | Jamaica | Janielle Josephs, Stacey-Ann Williams, Shiann Salmon, Calisha Taylor | 3:31.90 | SB |
| 4 | Canada | Xahria Santiago, Aurora Rynda, Ashlan Best, Sharelle Samuel | 3:31.93 | NJR |
| 5 | Germany | Anna-Maria Hofmann, Lisa Sophie Hartmann, Laura Kaufmann, Corinna Schwab | 3:32.84 | SB |
| 6 | Italy | Camilla Pitzalis, Eloisa Coiro, Chiara Gherardi, Elisabetta Vandi | 3:34.00 | NJR |
| 7 | Dominican Republic | Milagros Durán, Lilian Reyes, Maria Fernanda Matos, Fiordaliza Cofil | 3:34.09 | NR |
| 8 | Brazil | Marlene Santos, Tiffani Silva, Chayenne Da Silva, Leticia Lima | 3:34.55 | AJR |