The men's 400 metres event at the 2019 European Athletics Indoor Championships was held on 1 March 2019 at 10:20 (heats), at 21:00 (semifinals) and on 2 March 2019 at 20:22 (final) local time.

Medalists GoldSilverBronzeKarsten WarholmÓscar HusillosTony van Diepen

Records Standing records prior to the 2019 European Athletics Indoor ChampionshipsWorld record44.57Fayetteville, AR, United States12 March 2005European record45.05Sindelfingen, West Germany5 February 1988Championship record45.33Prague, Czech Republic7 March 2015World Leading45.04Birmingham, United States23 February 2019European Leading45.56Ulsteinvik, Norway25 January 2019

Results Heats

Qualification: First 2 in each heat (Q) and the next 4 fastest (q) advance to the Semifinal.

Rank Heat Athlete Nationality Time Note 1 1 Luka Janežič 46.88 Q 2 1 Fabrisio Saidy 46.99 Q 3 3 Lucas Búa 47.00 Q 4 4 Karsten Warholm 47.05 Q 5 1 Cameron Chalmers 47.18 q 6 4 Vitaliy Butrym 47.22 Q 7 3 Tony van Diepen 47.32 Q 8 4 Manuel Guijarro 47.33 q 9 1 Janis Leitis 47.34 q, SB 9 2 Óscar Husillos 47.34 Q 11 3 Karol Zalewski 47.45 q 12 2 Owen Smith 47.50 Q 13 2 Danylo Danylenko 47.59 14 2 Yavuz Can 47.63 15 2 Vít Müller 47.69 16 1 Ricky Petrucciani 47.83 17 1 Liemarvin Bonevacia 47.86 18 4 Alex Haydock-Wilson 47.88 19 4 Thomas Barr 48.22 20 3 Carl Bengtström 49.50 21 3 Jan Tesař 3 Cillin Greene

Semifinals

Qualification: First 2 in each heat (Q) and the next 2 fastest (q) advance to the Final. Rank Heat Athlete Nationality Time Note 1 2Karsten Warholm 45.95 Q 2 1Óscar Husillos 46.31Q, SB 3 1Luka Janežič 46.60Q 4 2Tony van Diepen 46.62Q, PB 5 2Lucas Búa 46.81q 6 1Fabrisio Saidy 47.07q 7 2Vitaliy Butrym 47.20 8 2Manuel Guijarro 47.34 9 1Janis Leitis 47.36 10 1Owen Smith 47.39 11 2 Cameron Chalmers 47.83 1 Karol Zalewski

Final

Rank Lane Athlete Nationality Time Note 5Karsten Warholm 45.05=AR, CR 6Óscar Husillos 45.66NR 4Tony van Diepen46.13NR4 3Luka Janežič46.15 5 2Fabrisio Saidy46.806 1Lucas Búa46.92

References