# 2024 World Athletics U20 Championships – Women's 4 × 400 metres relay

The women's 4 × 400 metres relay at the 2024 World Athletics U20 Championships was held at the Estadio Atlético de la VIDENA in Lima, Peru on 30 and 31 August 2024.

## Records

U20 standing records prior to the 2024 World Athletics U20 Championships were as follows:
| Record | Nation | Mark | Location | Date |
| World U20 Record | United States | 3:27.60 | Grosseto, Italy | 18 July 2004 |
| Championship Record | United States | 3:27.60 | Grosseto, Italy | 18 July 2004 |
| World U20 Leading | United States | 3:23.80 | Gainesville, United States | 13 April 2024 |

## Results
### Heats

First 2 of each heat (Q) plus the 2 fastest times (q) qualified for the final.

#### Heat 1

| Rank | Nation | Athletes | Time | Notes |
| 1 | Italy | Margherita Castellani, Giulia Macchi, Laura Frattaroli, Elisa Valensin | 3:34.14 | Q, SB |
| 2 | Poland | Dominika Duraj, Wiktoria Gajosz, Lena Pajęcka, Zofia Tomczyk | 3:34.77 | Q, SB |
| 3 | United States | Lakely Doht-Barron, Olivia Harris, Isabella Kneeshaw, Josie Donelson | 3:36.71 | q |
| 4 | Brazil | Amanda da Silva, Grazielly Sena, Bianca Ferreira, Julia Ribeiro | 3:45.13 | SB |
| – | Germany | Luna Fischer, Pauline Richter, Jana Becker, Johanna Martin | DQ | TR24.20 |
| – | Peru | Kimberly Borja, Luciana Fernández, Jacoba Goicochea, Ximena Vásquez | DQ | TR24.15 |

#### Heat 2

| Rank | Nation | Athletes | Time | Notes |
| 1 | Colombia | Isabella Hurtado, Paola Loboa, Dana Jiménez, Nahomy Castro | 3:38.01 | Q, SB |
| 2 | Jamaica | Abrina Wright, Shanque Williams, Anecia Campbell, Nastassia Fletcher | 3:38.04 | Q |
| 3 | India | Sandramol Sabu, Kanista Maria Deva Sheka, Neeru Pahtak, Shravani Sangle | 3:40.43 | SB |
| 4 | Ecuador | Camille Romero, Génesis Cañola, Pamela Barreto, Xiomara Ibarra | 3:51.96 | |
| – | South Africa | Precious Molepo, Colene Scheepers, Carise van Rooyen, Chane Vermeulen | DQ | TR24.20 |
| – | Nigeria | | DNS | |

#### Heat 3

| Rank | Nation | Athletes | Time | Notes |
| 1 | Australia | Charlotte McAuliffe, Bella Pasquali, Jemma Pollard, Sophie Gregorevic | 3:33.55 | Q |
| 2 | Norway | Borghild Holstad, Line Al-Saiddi, Elise Eikeland, Camilla Dahl Kristiansen | 3:35.72 | Q, NU20R |
| 3 | Great Britain | Jessica Astill, Emma Holmes, Nandy Kihuyu, Rebecca Grieve | 3:36.69 | q |
| 4 | Spain | Lara Tome, Natalia Rojas, Elisa Lorenzo, Ana Prieto | 3:40.64 | SB |
| 5 | Argentina | Helen Bernard Stilling, Juana Zuberbuhler, Malena Galvan, Isabel Conde Frankenberg | 3:47.10 | |
| – | Czech Republic | | DNS | |

### Final

| Rank | Nation | Athletes | Time | Notes |
| | United States | Michaela Mouton, Olivia Harris, Josie Donelson, Zava Akins | 3:30.74 | SB |
| | Australia | Amelia Rowe, Bella Pasquali, Jemma Pollard, Sophie Gregorevic | 3:31.47 | SB |
| | Great Britain | Charlotte Henrich, Emma Holmes, Kara Dacosta, Rebecca Grieve | 3:32.80 | SB |
| 4 | Poland | Dominika Duraj, Wiktoria Gajosz, Zofia Tomczyk, Wiktoria Gadajska | 3:34.80 | |
| 5 | Italy | Margherita Castellani, Giulia Macchi, Laura Frattaroli, Elisa Valensin | 3:35.47 | |
| 6 | Norway | Borghild Holstad, Line Al-Saiddi, Selma Ims, Malin Hoelsveen | 3:36.38 | |
| 7 | Colombia | Isabella Hurtado, Paola Loboa, Dana Jiménez, Nahomy Castro | 3:37.75 | SB |
| 8 | Jamaica | Abrina Wright, Alliah Bker, Anecia Campbell, Kelly Ann Carr | 3:39.30 | |