The men's 400 metres at the 2025 World Athletics Indoor Championships took place on the short track of the Nanjing's Cube at Nanjing Youth Olympic Sports Park in Nanjing, China, on 21 and 22 March 2025. This was the 21st time the event was contested at the World Athletics Indoor Championships. Athletes could qualify by achieving the entry standard or by their World Athletics Ranking in the event.
The heats took place on 21 March during the morning session with the semi-finals held in the evening session. The final took place on 22 March during the evening session.
Background The men's 400 metres was contested 20 times before 2025, at every previous edition of the World Athletics Indoor Championships. +Records before the 2025 World Athletics Indoor ChampionshipsRecordAthlete (nation)Time (s)LocationDateWorld record 44.49 Fayetteville, United States 24 February 2024Championship record45.00Belgrade, Serbia19 March 2022World leading44.70 Fayetteville, United States14 February 2025
Qualification For the men's 400 metres, the qualification period ran from 1 September 2024 until 9 March 2025. Athletes could qualify by achieving the entry standards of 45.20 s. Athletes could also qualify by virtue of their World Athletics Ranking for the event or by virtue of their World Athletics Indoor Tour wildcard. There was a target number of 30 athletes.
Results Heats The heats were held on 21 March, starting at 10:23 (UTC+8) in the morning. First 2 of each heat () plus 2 fastest times () qualified to the semi-finals.
Heat 1 Place Athlete Nation Time Notes 1 Brian Faust 46.20 2 Boško Kijanović 46.62 , 3 Rusheen McDonald 46.72 , 4 Matěj Krsek 46.76 5 Jimy Soudril 47.28 6 Manuel Guijarro 47.47
Heat 2 Place Athlete Nation Time Notes 1 Christopher Bailey 45.70 2 Patrik Simon Enyingi 46.23 3 Cooper Sherman 46.52 , 4 Ryo Yoshikawa 47.15 5 Patrik Dömötör 47.47
Heat 3 Place Athlete Nation Time Notes 1 Attila Molnár 46.35 2 Fuga Sato 46.60 , 3 Wendell Miller 47.33 4 47.74 5 Iñigo Pérez 49.18 6 Mohammad Jahir Rayhan 49.84
Heat 4 Place Athlete Nation Time Notes 1 Matheus Lima 45.79 , 2 Lionel Spitz 46.79 3 Matej Baluch 48.14 4 Rasheeme Griffith 48.73 5 Ailixier Wumaier 49.63 Markel Fernández
Heat 5 Place Athlete Nation Time Notes 1 Christopher Morales Williams 45.85 2 Jacory Patterson 45.94 3 Michal Desenský 47.84 4 Ruslan Litovski 50.10 — Kalinga Kumarage
Semi-finals The semi-finals were held on 21 March, starting at 20:47 (UTC+8). First 3 of each heat () qualified to the final.
Heat 1 Place Athlete Nation Time Notes 1 Christopher Bailey 45.91 2 Attila Molnár 46.32 3 Christopher Morales Williams 46.62 4 Boško Kijanović 47.20 5 Rusheen McDonald 47.22 6 Fuga Sato 48.31
Heat 2 Place Athlete Nation Time Notes 1 Brian Faust 45.89 2 Jacory Patterson 45.89 3 Matheus Lima 46.22 4 Patrik Simon Enyingi 46.93 5 Cooper Sherman 47.67 6 Lionel Spitz 47.72
Final The final was started on 22 March, starting at 20:55 (UTC+8). Rank Athlete Nation Time Notes Christopher Bailey 45.08 Brian Faust 45.47 = Jacory Patterson 45.54 4 Attila Molnár 45.77 5 Christopher Morales Williams 46.71 6 Matheus Lima 46.94
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