The men's 400 metres at the 2026 World Athletics U20 Championships was held at Hayward Field in Eugene, United States on 6 and 7 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 43.87 Seoul, South Korea 28 September 1988 Championship Record 44.58 Nairobi, Kenya 21 August 2021 World U20 Leading 43.92 Eugene, United States 12 June 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 7 Godfred Opoku 46.05 2 5 Shamari Greenidge-Lewis 46.34 , 3 8 Zachery Frank 46.61 4 2 Jason Pitter 46.83 5 9 Imadeddine Hamida 47.03 6 3 Afonso Conceiçao 47.92 — 4 Gerardo Hernández — 6 Tsaone Dintwa
Heat 2 Place Lane Athlete Nation Time Notes 1 9 Jabari Matheson 46.40 2 2 Lucas Couderc 46.64 3 4 46.68 4 7 Aimrane Bintaoui 47.45 5 8 Jessus Armando Bănicioiu 47.45 6 3 Rayvon Black 47.90 7 1 Sergio Rojas 47.92 8 6 Francesco Miorini 48.15 9 5 Gao Yi 48.39
Heat 3 Place Lane Athlete Nation Time Notes 1 3 46.28 , 2 2 Zion Davis 46.73 3 8 47.36 4 9 Oliwier Frąckowiak 47.47 5 7 Juan Sebastián Sánchez 47.73 6 5 Christoffer Banke Jørgensen 47.80 7 4 Esteban Avena 47.82 8 6 Péter Csaba Sáray 48.04
Heat 4 Place Lane Athlete Nation Time Notes 1 1 Malachi Austin 46.48 2 4 Kryn Romijn 46.93 3 7 Junior Phatsima 47.05 4 5 Riccardo Fumagalli 47.59 5 2 Rui Huang 48.48 6 3 Edward Alberto Medrano 50.37 7 9 Tom Gillard 8 8 Vasil Antonov 9 6 David Dominion Udoh
Heat 5 Place Lane Athlete Nation Time Notes 1 8 Jayden DeLeon 45.63 2 5 Mohammed Ashfaq 45.81 , 3 7 Chase Grant 46.27 4 2 Tishawn Easton 46.34 , 5 3 Emīls Lamba 47.37 6 9 Adam Nyarko 47.41 7 4 Kjartan Óli Bjarnason 47.94 8 1 Ismail Bouziza 48.67
Heat 6 Place Lane Athlete Nation Time Notes 1 5 Leendert Koekemoer 45.75 2 4 Omel Shashintha Silva 46.36 3 8 Ropafadzo Liberty Mzondo 46.51 , 4 7 Yariel Perez 46.96 5 3 Piyush Raj 47.78 6 6 Frane Delonga 47.95 7 9 Filip Stanković 48.12 8 2 Kiile Alexander 48.99
Heat 7 Place Lane Athlete Nation Time Notes 1 5 Quincy Wilson 45.74 2 4 Milann Klemenic 45.83 , 3 9 Seth Kennedy 46.56 , 4 2 Zachary Jeggo 47.33 5 3 Javano Bridgewater 47.54 6 6 Tjark Schult 47.83 7 7 Hunter Scott 47.86 8 8 Diosquendri Lenin Rojas 48.49 9 1 Tomáš Žigo 48.89
Semi-finals The semi-finals took place in the afternoon session on 6 August 2026.
Heat 1 Place Lane Athlete Nation Time Notes 1 6 Jayden DeLeon 45.49 2 7 Malachi Austin 45.87 3 8 Zion Davis 45.96 4 3 46.27 5 4 Lucas Couderc 46.69 6 5 Jabari Matheson 47.10 7 2 Yariel Perez 47.29 8 1 Imadeddine Hamida 47.62 9 9 Zachery Frank 47.91
Heat 2 Place Lane Athlete Nation Time Notes 1 7 Leendert Koekemoer 45.18 2 6 Milann Klemenic 45.87 3 5 Godfred Opoku 45.91 4 8 Chase Grant 46.36 5 1 Tishawn Easton 46.57 6 9 Ropafadzo Liberty Mzondo 47.11 7 2 Emīls Lamba 47.20 8 4 Jessus Armando Banicioiu 47.46 9 3 47.59
Heat 3 Place Lane Athlete Nation Time Notes 1 5 Quincy Wilson 45.02 2 8 Kryn Romijn 45.87 3 6 Mohammed Ashfaq 46.00 4 4 Omel Shashintha Silva 46.06 5 3 Junior Phatsima 46.32 6 2 Jason Pitter 46.50 7 9 Seth Kennedy 46.51 8 7 47.27 9 1 Zachary Jeggo 49.15
Final The final took place in the afternoon session on 7 August 2026.
Place Lane Athlete Nation Time Notes 7 Jayden DeLeon 44.47 5 Quincy Wilson 44.62 6 Leendert Koekemoer 44.96 4 3 Godfred Opoku 45.46 5 1 Zion Davis 46.00 6 4 Malachi Austin 46.03 7 8 Kryn Romijn 46.16 8 2 Mohammed Ashfaq 46.20 9 9 Milann Klemenic 46.31
References