Athletics at the 2012 Summer Paralympics – Men's 400 metres T12 explained

The Men's 400 metres T12 event at the 2012 Summer Paralympics took place at the London Olympic Stadium from 2 to 6 September.^[1]

Records

Prior to the competition, the existing World and Paralympic records were as follows:

Broken records during the 2012 Summer Paralympics
World record	48.62	25 July 2002	Villeneuve d'Ascq, France
Paralympic record	48.93	25 September 2004	Athens, Greece
World record	48.52	6 September 2012

Competed 2 September 2012 from 19:00. Qual. rule: winner of each heat (Q) plus the 4 fastest other times (q) qualified.

Rank	Athlete	Time	Notes
1		49.86	Q
2	Thierb Siqueira Guide: Roger Pereira Manarin	50.80	q, SB
3		54.00

Rank	Athlete	Time	Notes
1		50.58	Q, SB
2		51.09	q, PB
3	Matthias Schroeder Guide: Tobias Schneider	52.04
4		52.67	SB

Rank	Athlete	Time	Notes
1		50.91	Q
2	Gerard Desgarrega Puigdevall Guide: Alejandro Guerrero Diaz	50.91	q, PB
3		52.53	PB
4		53.03	SB

Competed 4 September 2012 from 11:40. Qual. rule: winner of each heat (Q) plus the two fastest other times (q) qualified.

Rank	Athlete	Time	Notes
1		49.42	Q, =PB
2		50.96
3		51.34	SB
	Thierb Siqueira Guide: Roger Pereira Manarin	DQ

Rank	Athlete	Time	Notes
1		49.02	Q, PB
2		50.43	q, PB
3	Gerard Desgarrega Puigdevall Guide: Alejandro Guerrero Diaz	50.43	q, PB
4		51.40

Competed 6 September 2012 at 19:00.

Rank	Athlete	Time	Notes
		48.52	WR
		49.04	PB
		50.41	PB
4	Gerard Desgarrega Puigdevall Guide: Alejandro Guerrero Diaz	50.68

Q = qualified by place. q = qualified by time. WR = World Record. PB = Personal Best.

Web site: Athletics - Schedule & Results. London 2012 Olympic and Paralympic Games. 14 September 2012. 4 December 2012. https://archive.today/20121204153839/www.london2012.com/paralympics/athletics/schedule-and-results/. dead.