Athletics at the 1991 Summer Universiade – Men's 400 metres

The men's 400 metres event at the 1991 Summer Universiade was held at the Don Valley Stadium in Sheffield on 20, 21 and 22 July 1991.

Medalists

Gold	Silver	Bronze
Patrick O'Connor Jamaica	Benyounés Lahlou Morocco	Marlin Cannon United States

Results

Heats

Rank	Heat	Athlete	Nationality	Time	Notes
1	1	Gabriel Luke	United States	47.45	Q
2	1	Calvin Henry	Great Britain	47.69	Q
3	1	Gianrico Boncompagni	Italy	48.82	Q
4	1	Marius Rooth	Norway	49.38	q
1	2	Shunji Karube	Japan	47.16	Q
2	2	Evon Clarke	Jamaica	47.27	Q
3	2	Jens Storhaug	Norway	48.47	Q
4	2	Nuno Alpiarca	Portugal	49.00	q
1	3	Michael Joubert	Australia	47.50	Q
2	3	Dmitriy Kliger	Soviet Union	48.36	Q
3	3	Christian Boda	Mauritius	48.75	Q
4	3	Mohamed Mehdi Hasan	Bangladesh	49.39	q
5	3	Ali Faudet	Chad	49.57	q
1	4	Tim Hesse	Ghana	47.44	Q
2	4	Du'aine Ladejo	Great Britain	47.74	Q
3	4	Thomas Koech	Kenya	48.18	Q
1	5	Camera Ntereke	Botswana	48.61	Q
2	5	Ivaylo Vasilev	Bulgaria	49.17	Q
3	5	E. Moreno	Kenya	50.09	Q
1	6	Marlin Cannon	United States	47.83	Q
2	6	Riccardo Cardone	Italy	48.09	Q
3	6	J. Thomas	Sierra Leone	48.13	Q
4	6	Vladimir Popov	Soviet Union	48.33	q
5	6	Moustapha Diarra	Senegal	49.15	q
1	7	Benyounés Lahlou	Morocco	46.89	Q
2	7	Elieser Wettebosi	Indonesia	47.63	Q
3	7	Masayoshi Kan	Japan	47.72	Q
4	7	Miguel Cuesta	Spain	48.02	q
1	8	Patrick O'Connor	Jamaica	47.63	Q
2	8	Laurent Lebras	France	47.75	Q
3	8	Son Jul-il	South Korea	48.04	Q
4	8	A. Tello	Spain	48.64	q

Quarterfinals

Rank	Heat	Athlete	Nationality	Time	Notes
1	1	Dmitriy Kliger	Soviet Union	47.19	Q
2	1	Shunji Karube	Japan	47.61	Q
3	1	Marlin Cannon	United States	47.67	Q
4	1	Gianrico Boncompagni	Italy	48.40	Q
1	2	Gabriel Luke	United States	47.12	Q
2	2	Michael Joubert	Australia	47.17	Q
3	2	Laurent Lebras	France	47.67	Q
4	2	Du'aine Ladejo	Great Britain	47.73	Q
1	3	Tim Hesse	Ghana	47.06	Q
2	3	Patrick O'Connor	Jamaica	47.10	Q
3	3	Calvin Henry	Great Britain	47.29	Q
4	3	Riccardo Cardone	Italy	47.36	Q
1	4	Evon Clarke	Jamaica	47.00	Q
2	4	Benyounés Lahlou	Morocco	47.06	Q
3	4	Ivaylo Vasilev	Bulgaria	47.22	Q
4	4	Masayoshi Kan	Japan	47.56	Q

Semifinals

Rank	Heat	Athlete	Nationality	Time	Notes
1	2	Gabriel Luke	United States	45.98	Q
2	1	Dmitriy Kliger	Soviet Union	46.11	Q
3	1	Marlin Cannon	United States	46.12	Q
4	2	Patrick O'Connor	Jamaica	46.18	Q
5	1	Benyounés Lahlou	Morocco	46.23	Q
6	2	Michael Joubert	Australia	46.37	Q
7	2	Calvin Henry	Great Britain	46.60	Q
8	1	Shunji Karube	Japan	46.62	Q
9	2	Tim Hesse	Ghana	46.66
10	1	Evon Clarke	Jamaica	46.68
11	1	Ivaylo Vasilev	Bulgaria	46.92
12	2	Riccardo Cardone	Italy	46.99
13	2	Laurent Lebras	France	47.29
14	2	Masayoshi Kan	Japan	47.34
15	1	Du'aine Ladejo	Great Britain	47.63
16	1	Gianrico Boncompagni	Italy	48.44

Final

Rank	Athlete	Nationality	Time	Notes
	Patrick O'Connor	Jamaica	45.52
	Benyounés Lahlou	Morocco	45.55	PB
	Marlin Cannon	United States	45.78
4	Dmitriy Kliger	Soviet Union	46.24
5	Shunji Karube	Japan	46.49
6	Calvin Henry	Great Britain	46.51
	Gabriel Luke	United States	DQ
	Michael Joubert	Australia	DQ