1998 European Athletics Championships – Men's 400 metres

Qualification: First 3 in each heat (Q) and the next 4 fastest (q) advance to the Semifinals.

Rank	Heat	Name	Nationality	Time	Notes
1	2	David Canal	Spain	45.20	Q, PB
2	2	Iwan Thomas	Great Britain	45.44	Q
3	2	Marc Foucan	France	45.59	Q
4	2	Ashraf Saber	Italy	45.64	q, PB
5	1	Tomasz Czubak	Poland	45.96	Q
6	4	Mark Richardson	Great Britain	46.05	Q
7	1	Dmitriy Golovastov	Russia	46.16	Q, SB
7	1	Jan Poděbradský	Czech Republic	46.16	Q
9	3	Robert Maćkowiak	Poland	46.17	Q
10	4	Piotr Haczek	Poland	46.26	Q
11	4	Pierre-Marie Hilaire	France	46.27	Q
11	1	Solomon Wariso	Great Britain	46.27	q
11	4	Antonio Andres	Spain	46.27	q, PB
14	4	Konstantinos Kenteris	Greece	46.39	q
15	1	Marcel Lopuchovský	Slovakia	46.49
15	2	Stelios Dimotsios	Greece	46.49
17	4	Matija Šestak	Slovenia	46.57
18	3	Marco Vaccari	Italy	46.60	Q
19	3	Innokentiy Zharov	Russia	46.73	Q
19	3	Stephan Letzelter	Germany	46.73
21	3	Štefan Balošák	Slovakia	46.87
22	1	Fred Mango	France	46.88
23	1	Edoardo Vallet	Italy	47.03
24	3	Evripides Demosthenous	Cyprus	47.15
25	4	Péter Nyilasi	Hungary	47.16
26	2	Boštjan Horvat	Slovenia	47.17
27	3	Andriy Tverdostup	Ukraine	47.28
28	1	Eugene Farrell	Ireland	47.56
29	2	Jan Štejfa	Czech Republic	47.63
30	3	Johan Lannefors	Sweden	47.72
	2	Mikhail Vdovin	Russia	DNF

Qualification: First 4 in each heat (Q) advance to the Final.

Rank	Heat	Name	Nationality	Time	Notes
1	2	Iwan Thomas	Great Britain	44.82	Q
2	2	Robert Maćkowiak	Poland	45.08	Q, NR
3	1	Tomasz Czubak	Poland	45.22	Q, PB
4	2	David Canal	Spain	45.29	Q
5	1	Mark Richardson	Great Britain	45.41	Q
6	2	Solomon Wariso	Great Britain	45.59	Q
7	1	Piotr Haczek	Poland	45.68	Q, PB
8	2	Konstantinos Kenteris	Greece	45.74
9	1	Ashraf Saber	Italy	45.78	Q
10	2	Marco Vaccari	Italy	45.86
11	2	Innokentiy Zharov	Russia	45.92
12	1	Dmitriy Golovastov	Russia	45.93	SB
13	1	Jan Poděbradský	Czech Republic	46.01
14	1	Pierre-Marie Hilaire	France	46.26
15	2	Marc Foucan	France	46.52
16	1	Antonio Andres	Spain	46.59