The men's 400 metres hurdles at the 2024 World Athletics U20 Championships was held at the Estadio Atlético de la VIDENA in Lima, Peru on 28, 30 and 31 August 2024.

Records U20 standing records prior to the 2024 World Athletics U20 Championships were as follows: Record Athlete & Nationality Mark Location DateWorld U20 Record47.34Budapest, Hungary21 August 2023Championship Record48.51Grosseto, Italy16 July 2004World U20 Leading49.57Pietermaritzburg, South Africa19 April 2024

Results Heats The first 3 athletes in each heat (Q) and the next 3 fastest (q) qualified to the semi-final. Heat 1 Rank Lane Athlete Nation Time Notes19Michal Rada52.2622Ramón Fuenzalida52.5836Paolo Bolognesi52.8447Murad Sirman52.8558Muh. Najmi53.4763Muqtada Ai-Hiaich54.3374Colin Zumbühl54.425Thomas Canivet

Heat 2 Rank Lane Athlete Nation Time Notes19Daniel Wright51.4223Jingwei Guo51.7236Mitja Zubin51.9048Akalanka Kuda Liyanage52.0455Dorian Charles53.6567Karthik Arumugam53.7572Mahamat Abdrahman54.2684Evian Solorzano59.10

Heat 3 Rank Lane Athlete Nation Time Notes17Kairi Gonda51.2126Sam Lunt51.8733Ali Alrumayh52.4344David Davitt52.5158Zakaria Sabir52.5669Abbas Alkhawaf53.4675Roineld Lara53.692David Friederich

Heat 4 Rank Lane Athlete Nation Time Notes13Vance Nilsson51.9827Fintan Dewhirst52.3934Lucas De Almeida52.7648Edio Mussacate53.1555Alexis Perroud53.749Abdennour Bourmaki6Xinfeng Xu

Heat 5 Rank Lane Athlete Nation Time Notes14Antti Sainio51.1928Premier Wynn51.8932Jose Eduardo Aguado52.0946Cheyne West52.18, 55Oussama Fagrach52.6767Matthew Hunt52.8479Oseiwe Salami54.0683Ziad Bouhaddad54.62

Heat 6 Rank Lane Athlete Nation Time Notes19Njabulo Mbatha51.4225Joel Von De Ahé51.80, 36Maximiliano Nuñez52.0947Trevoy Smith52.1553David Damian52.7968José David Mosquera53.6174Mahamat Mahamo54.44

Heat 7 Rank Lane Athlete Nation Time Notes18Kyo Kikuta51.2423Joaquin Alonso52.4739Vladimiros Andreadis52.5147Naif Alsubaie53.565Jeong-hyun Kim4Ntiyiso Nkanyani6Giulio Vanarelli

Semi-finals The first 2 athletes in each heat (Q) and the next 2 fastest (q) qualified to the semi-final. Heat 1 Rank Lane Athlete Nation Time Notes18Njabulo Mbatha49.9026Sam Lunt50.00, 35Kyo Kikuta51.0443Akalanka Kuda Liyanage51.4554Mitja Zubin52.5562Paolo Bolognesi53.9279Maximiliano Nuñez57.967Joel Von De Ahé

Heat 2 Rank Lane Athlete Nation Time Notes16Antti Sainio49.36 (.351), 27Michal Rada49.36 (.351), 38Vance Nilsson49.8249Joaquin Alonso50.22, 55Fintan Dewhirst51.6563David Davitt51.9374Ali Alrumayh52.2582Trevoy Smith54.24

Heat 3 Rank Lane Athlete Nation Time Notes15Daniel Wright51.1129Ramón Fuenzalida51.33, 38Kairi Gonda51.8044Jose Eduardo Aguado52.2752Lucas De Almeida52.6767Premier Wynn52.7673Cheyne West53.0986Jingwei Guo1:03.89

Final Rank Lane Athlete Nation Time Notes2Vance Nilsson49.268Michal Rada49.306Antti Sainio49.6145Njabulo Mbatha49.6859Sam Lunt50.2963Joaquin Alonso51.0077Daniel Wright51.614Ramón Fuenzalida

References