The women's 400 metres hurdles at the 2026 World Athletics U20 Championships was held at Hayward Field in Eugene, United States on 6, 8 and 9 August 2026.

Records U20 standing records prior to the 2026 World Athletics U20 Championships were as follows: Record Athlete & Nationality Mark Location Date World U20 Record 53.60 Fayetteville, United States 27 April 2018 Championship Record 54.70 Kingston, Jamaica 19 July 2002 World U20 Leading 55.19 Rieti, Italy 19 July 2026

Results Round 1 Round 1 took place in the morning session on 6 August 2026.

Heat 1 Place Lane Athlete Nation Time Notes 1 6 Alexandra Ștefania Uță 57.93 2 5 Sydney Freeman 57.98 3 7 Duru Iklim Kadanali 58.05 4 3 Marria Crossfield 58.22 , 5 8 Sofia Copiello 59.78 6 1 Cristina Neves 59.96 7 4 Hope Edwards 1:00.42 8 9 Arianna Garcia 1:01.21 9 2 Emily Montaño 1:01.43

Heat 2 Place Lane Athlete Nation Time Notes 1 9 Eleni Iakovaki 58.64 2 8 Megan Nieman 58.65 3 3 Lynn Pöppelmann 58.74 4 7 Benedetta Falleti 58.75 5 2 Luana Cibele Sousa 59.50 6 6 Mija MarušIč 59.72 7 4 Tina Polić 59.89 8 5 Nina Čanecká 1:01.18

Heat 3 Place Lane Athlete Nation Time Notes 1 3 Mariam Kareem 57.87 2 8 Shevaughn Thomas 58.36 , 3 6 Kei-Mahri Hanna 58.47 4 7 58.54 , 5 4 Ellis MC Hugh 59.04 6 5 Ksenija Kozlova 59.31 , 7 9 Lena Bogdanović 1:00.21 8 2 Alba VIñals 1:01.52

Heat 4 Place Lane Athlete Nation Time Notes 1 4 Rania el Hamdaoui 58.03 2 3 Tumi Ramokgopa 58.32 3 9 58.94 4 2 Zarja ŽIžek 59.53 5 1 Delia Ioana Aștefănoaie 1:00.34 6 8 Hila Varsano 1:00.87 7 7 Elisa Aguado 1:01.40 8 5 Hanna Hirsbrunner 1:01.42 9 6 1:04.92

Heat 5 Place Lane Athlete Nation Time Notes 1 3 Rachel Gardner 58.50 2 8 Lisa Frank 59.38 3 2 Zoë van Gils 59.71 4 9 Tatum Lynn 59.94 5 5 Tanu Chaudhary 1:00.03 6 6 Kate Fink 1:01.34 7 4 Douaa Labiadh 1:01.47 8 7 Katka Mičániová 1:01.72

Heat 6 Place Lane Athlete Nation Time Notes 1 9 Rebekka Feirle 57.89 2 4 Natalie Dumas 58.86 3 8 Kyara Belfort 59.37 4 6 Shakira Harding 59.97 5 3 Talyna Ligier 1:00.00 6 2 1:00.80 7 5 Ana Sokhadze 1:01.32 8 7 Michel Gómez 1:01.87

Semi-finals Semi-finals took in the afternoon session on 8 August 2026.

Heat 1 Place Lane Athlete Nation Time Notes 1 7 Alexandra Ștefania Uță 56.87 2 6 Rania el Hamdaoui 57.36 , 3 5 Shevaughn Thomas 57.56 , 4 4 Megan Nieman 57.56 5 9 57.61 6 3 Benedetta Falleti 58.30 7 1 Luana Cibele Sousa 58.73 8 8 Lynn Pöppelmann 59.27 9 2 Zarja ŽIžek 59.29

Heat 2 Place Lane Athlete Nation Time Notes 1 5 Tumi Ramokgopa 56.80 2 7 Rebekka Feirle 56.80 , 3 8 Kei-Mahri Hanna 57.55 4 6 Rachel Gardner 57.80 5 9 Kyara Belfort 59.72 6 2 Ksenija Kozlova 59.81 7 3 1:00.10 8 1 Shakira Harding 1:00.56 9 4 Natalie Dumas 1:11.76

Heat 3 Place Lane Athlete Nation Time Notes 1 6 Mariam Kareem 56.39 , 2 8 Duru Iklim Kadanali 56.91 , 3 5 Eleni Iakovaki 57.10 , 4 7 Sydney Freeman 57.62 5 2 Ellis MC Hugh 58.49 6 1 Tatum Lynn 58.84 7 9 Zoë van Gils 58.97 8 3 Marria Crossfield 59.47— 4 Lisa Frank

Final The final took place in the afternoon session on 9 August 2026.

Place Lane Athlete Nation Time Notes 7 Alexandra Ștefania Uță 55.33 5 Tumi Ramokgopa 55.88 3 Eleni Iakovaki 55.99 4 6 Mariam Kareem 56.27 5 4 Rebekka Feirle 56.39 6 9 Rania el Hamdaoui 57.89 7 2 Kei-Mahri Hanna 58.32 8 7 Duru Iklim Kadanali 58.32 — 1 Shevaughn Thomas

References