Swimming at the 1948 Summer Olympics – Men's 100 metre backstroke

Swimming at the 1948 Summer Olympics
Freestyle
100 m	men		women
400 m	men		women
1500 m	men
Backstroke
100 m	men		women
Breaststroke
200 m	men		women
Freestyle relay
4×100 m			women
4×200 m	men

The men's 100 metre backstroke event at the 1948 Olympic Games took place between August 4 and 6, at the Empire Pool. This swimming event used the backstroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of two lengths of the pool.

Medalists

Gold	Allen Stack United States (USA)
Silver	Bob Cowell United States (USA)
Bronze	Georges Vallerey France (FRA)

Results

Heats

The fastest two in each heat and the four fastest third-placed from across the heats advanced.

Heat 1

Place	Swimmer	Time	Qual.
1	Jackie Wiid (RSA)	1:08.5	QQ
2	Kees Kievit (NED)	1:10.8	QQ
3	José Vegazzi (ARG)	1:13.8
4	Francisco Calamita (ESP)	1:14.2
5	Eric Jubb (CAN)	1:14.3
6	Per-Olof Olsson (SWE)	1:14.6
7	Khamlillal Shah (IND)	1:19.9

Heat 2

Place	Swimmer	Time	Qual.
1	Bruce Bourke (AUS)	1:11.3	QQ
2	Ilo da Fonseca (BRA)	1:11.9	QQ
3	Jiří Kovář (TCH)	1:12.9
4	Carlos Noriega (URU)	1:15.0
5	Martin Lundén (SWE)	1:15.6
6	Tonatiuh Gutiérrez (MEX)	1:15.6
7	Jaffar Ali Shah (PAK)	1:30.2

Heat 3

Place	Swimmer	Time	Qual.
1	John Brockaway (GBR)	1:09.2	QQ
2	Mario Chávez (ARG)	1:09.7	QQ
3	Clemente Mejía (MEX)	1:09.8	qq
4	Lucien Zins (FRA)	1:10.9	qq
5	Mário Simas (POR)	1:12.8
6	Fritz Zwazl (AUT)	1:13.5
7	Nikolaos Melanofeidis (GRE)	1:22.0

Heat 4

Place	Swimmer	Time	Qual.
1	Allen Stack (USA)	1:06.6	QQ
2	Bert Kinnear (GBR)	1:09.7	QQ
3	Paulo Silva (BRA)	1:10.0	qq
4	Tony Summers (GBR)	1:11.2
5	Gyula Válent (HUN)	1:11.8
6	Manuel Guerra (AUT)	1:14.8
7	Prahtip Mitra (IND)	1:24.5

Heat 5

Place	Swimmer	Time	Qual.
1	Bob Cowell (USA)	1:06.9	QQ
2	René Pirolley (FRA)	1:11.4	QQ
3	Donald Shanks (BER)	1:17.1
4	Dorri El-Said (EGY)	1:19.0
5	Guðmundur Ingólfsson (ISL)	1:19.4

Heat 6

Place	Swimmer	Time	Qual.
1	Georges Vallerey, Jr. (FRA)	1:07.4	QQ
2	Howard Patterson (USA)	1:09.3	QQ
3	Hélio Silva (BRA)	1:10.5	qq
4	Federico Neumayer (ARG)	1:10.8
5	Peter Mingie (CAN)	1:13.2
6	Hans Blumer (SUI)	1:18.5

Semifinals

The fastest three in each semi-final and the fastest from across the semi-finals advanced.

Semifinal 1

Place	Swimmer	Time	Qual.
1	Allen Stack (USA)	1:07.3	QQ
2	Georges Vallerey, Jr. (FRA)	1:08.3	QQ
3	John Brockaway (GBR)	1:09.1	QQ
4	Clemente Mejía (MEX)	1:09.6	qq
5	Mario Chávez (ARG)	1:09.8	qq
6	Paulo Silva (BRA)	1:09.8
7	Kees Kievit (NED)	1:11.3
8	Bruce Bourke (AUS)	1:11.4

Semifinal 2

Place	Swimmer	Time	Qual.
1	Bob Cowell (USA)	1:08.5	QQ
2	Bert Kinnear (GBR)	1:09.2	QQ
3	Jackie Wiid (RSA)	1:09.2	QQ
4	Howard Patterson (USA)	1:09.9
5	Hélio Silva (BRA)	1:10.1
6	Lucien Zins (FRA)	1:11.5
7	Ilo da Fonseca (BRA)	1:11.6
8	René Pirolley (FRA)	1:12.9

Key: Q = qualification by place in heat, q = qualification by overall place

Final

Rank	Athlete	Country	Time	Notes
	Allen Stack	United States	1:06.4
	Bob Cowell	United States	1:06.5
	Georges Vallerey	France	1:07.8
4	Mario Chávez	Argentina	1:09.0
4	Clemente Mejía	Mexico	1:09.0
6	Jackie Wiid	South Africa	1:09.1
7	John Brockway	Great Britain	1:09.2
8	Bert Kinnear	Great Britain	1:09.6

References

• 1948 Summer Olympics results: Men's 100 m backstroke, from http://www.sports-reference.com/; retrieved 2009-10-01.