2017 European Athletics U23 Championships – Men's 400 metres

The men's 400 metres event at the 2017 European Athletics U23 Championships was held in Bydgoszcz, Poland, at Zdzisław Krzyszkowiak Stadium on 13, 14 and 15 July.

Medalists

Gold	Luka Janežič  Slovenia
Silver	Karsten Warholm  Norway
Bronze	Benjamin Lobo Vedel  Denmark

Results

Heats

14 July^[1]

Qualification rule: First 3 (Q) and the next 4 fastest (q) qualified for the semifinals.

Rank	Heat	Name	Nationality	Time	Notes
1	1	Luka Janežič	Slovenia	46.44	Q
2	4	Karsten Warholm	Norway	46.70	Q
3	4	Maarten Stuivenberg	Netherlands	46.75	Q, =PB
4	1	Giuseppe Leonardi	Italy	46.76	Q
5	4	Kajetan Duszyński	Poland	46.80	Q
6	2	Daniele Corsa	Italy	46.82	Q
7	4	Gilles Biron	France	46.82	q
8	1	Dariusz Kowaluk	Poland	46.87	Q
9	1	Robert Parge	Romania	46.88	q, PB
10	4	Rokas Pacevičius	Lithuania	47.09	q, PB
11	3	Benjamin Lobo Vedel	Denmark	47.19	Q
12	2	Cameron Chalmers	Great Britain	47.25	Q
13	4	Andrew Mellon	Ireland	47.38	q
14	1	Michael Rossaert	Belgium	47.44
15	3	Brayan Lopez	Italy	47.47	Q
16	1	Vincent Notz	Switzerland	47.47
17	2	Darwin Andrés Echeverry	Spain	47.50	Q
18	3	Batuhan Altıntaş	Turkey	47.66	Q
19	1	Mateo Parlov	Croatia	47.63
20	4	Zhivko Stoyanov	Bulgaria	47.65
21	2	Luca Flück	Switzerland	47.79
22	3	Harry Purcell	Ireland	48.04
23	2	Konstadinos Koutsoukis	Greece	48.05
24	3	Mario Gebhardt	Austria	48.13
25	2	Gabrijel Stojanović	Croatia	48.17
26	3	Mateo Kovačić	Croatia	48.22
27	3	Cristian Radu	Romania	48.26
28	2	Zeno Moraru	Romania	48.32
29	3	Alexander Doom	Belgium	48.52
30	2	Alessandro Gasperoni	San Marino	50.86
31	1	Brandon Arrey	Ireland	53.00

Semifinals

14 July^[2]

Qualification rule: First 3 (Q) and the next 2 fastest (q) qualified for the final.

Rank	Heat	Name	Nationality	Time	Notes
1	2	Luka Janežič	Slovenia	45.73	Q
2	2	Benjamin Lobo Vedel	Denmark	45.85	Q, NU23
3	2	Kajetan Duszyński	Poland	45.98	Q, PB
4	1	Karsten Warholm	Norway	46.06	Q
5	1	Daniele Corsa	Italy	46.20	Q
6	1	Cameron Chalmers	Great Britain	46.32	Q
7	2	Maarten Stuivenberg	Netherlands	46.33	q, PB
8	1	Darwin Andrés Echeverry	Spain	46.39	q, PB
9	2	Batuhan Altıntaş	Turkey	46.49
10	2	Gilles Biron	France	46.56
11	1	Giuseppe Leonardi	Italy	46.60
12	1	Dariusz Kowaluk	Poland	46.74
13	1	Rokas Pacevičius	Lithuania	46.93	PB
14	1	Robert Parge	Romania	47.06
15	2	Brayan Lopez	Italy	47.23
16	2	Andrew Mellon	Ireland	47.32	=SB

Final

15 July^[3]

Rank	Lane	Name	Nationality	Time	Notes
	6	Luka Janežič	Slovenia	45.33
	4	Karsten Warholm	Norway	45.75
	7	Benjamin Lobo Vedel	Denmark	46.08
4	8	Cameron Chalmers	Great Britain	46.29
5	5	Daniele Corsa	Italy	46.51
6	3	Maarten Stuivenberg	Netherlands	46.79
7	9	Kajetan Duszyński	Poland	46.80
8	2	Darwin Andrés Echeverry	Spain	46.92