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: RecordNationMarkLocationDateWorld U20 Record3:27.60Grosseto, Italy18 July 2004Championship Record3:27.60Grosseto, Italy18 July 2004World U20 Leading3:23.80Gainesville, United States13 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 Notes1Margherita Castellani, Giulia Macchi, Laura Frattaroli, Elisa Valensin3:34.14, 2Dominika Duraj, Wiktoria Gajosz, Lena Pajęcka, Zofia Tomczyk3:34.77, 3Lakely Doht-Barron, Olivia Harris, Isabella Kneeshaw, Josie Donelson3:36.714Amanda da Silva, Grazielly Sena, Bianca Ferreira, Julia Ribeiro3:45.13Luna Fischer, Pauline Richter, Jana Becker, Johanna MartinKimberly Borja, Luciana Fernández, Jacoba Goicochea, Ximena Vásquez

Heat 2 Rank Nation Athletes Time Notes1Isabella Hurtado, Paola Loboa, Dana Jiménez, Nahomy Castro3:38.01, 2Abrina Wright, Shanque Williams, Anecia Campbell, Nastassia Fletcher3:38.043Sandramol Sabu, Kanista Maria Deva Sheka, Neeru Pahtak, Shravani Sangle3:40.434Camille Romero, Génesis Cañola, Pamela Barreto, Xiomara Ibarra3:51.96Precious Molepo, Colene Scheepers, Carise van Rooyen, Chane Vermeulen

Heat 3 Rank Nation Athletes Time Notes1Charlotte McAuliffe, Bella Pasquali, Jemma Pollard, Sophie Gregorevic3:33.552Borghild Holstad, Line Al-Saiddi, Elise Eikeland, Camilla Dahl Kristiansen3:35.72, 3Jessica Astill, Emma Holmes, Nandy Kihuyu, Rebecca Grieve3:36.694Lara Tome, Natalia Rojas, Elisa Lorenzo, Ana Prieto3:40.645Helen Bernard Stilling, Juana Zuberbuhler, Malena Galvan, Isabel Conde Frankenberg3:47.10

Final Rank Nation Athletes Time NotesMichaela Mouton, Olivia Harris, Josie Donelson, Zava Akins3:30.74Amelia Rowe, Bella Pasquali, Jemma Pollard, Sophie Gregorevic3:31.47Charlotte Henrich, Emma Holmes, Kara Dacosta, Rebecca Grieve3:32.804Dominika Duraj, Wiktoria Gajosz, Zofia Tomczyk, Wiktoria Gadajska3:34.805Margherita Castellani, Giulia Macchi, Laura Frattaroli, Elisa Valensin3:35.476Borghild Holstad, Line Al-Saiddi, Selma Ims, Malin Hoelsveen3:36.387Isabella Hurtado, Paola Loboa, Dana Jiménez, Nahomy Castro3:37.758Abrina Wright, Alliah Bker, Anecia Campbell, Kelly Ann Carr3:39.30

References