Men's 100 metres at the 1955 Pan American Games
Venue	Estadio Universitario
Dates	March 13 – March 14
Competitors	29 from 16 nations
Winning time	10.3
Medalists
Rod Richard   United States   Mike Agostini   Trinidad and Tobago   Willie Williams   United States
«1951 1959»

Athletics at the 1955 Pan American Games
Track events
60 m		women
100 m	men	women
200 m	men
400 m	men
800 m	men
1500 m	men
5000 m	men
10,000 m	men
80 m hurdles		women
110 m hurdles	men
400 m hurdles	men
3000 m steeplechase	men
4×100 m relay	men	women
4×400 m relay	men
Road events
Marathon	men
Field events
High jump	men	women
Pole vault	men
Long jump	men
Triple jump	men
Shot put	men
Discus throw	men	women
Hammer throw	men
Javelin throw	men	women
Combined events
Decathlon	men
v t e

The men's 100 metres event at the 1955 Pan American Games was held at the Estadio Universitario in Mexico City on 13 and 14 March.^[1][2]

Held on 13 March

Rank	Athlete	Nation	Time	Notes
1	Dean Smith	United States	10.84	Q
2	Ciro Brazeiro	Uruguay	11.27	Q
3	Tom Robinson	Bahamas	11.32	Q
4	Alexis Bloem	Netherlands Antilles	11.44

Rank	Athlete	Nation	Time	Notes
1	Harry Nelson	Canada	10.88	Q
2	Rafael Fortún	Cuba	10.91	Q
3	Domingo García	Dominican Republic	11.20	Q
4	Javier Souza	Mexico	11.28
5	Antonio Vanegas	Colombia	11.63

Rank	Athlete	Nation	Time	Notes
1	Willie Williams	United States	10.80	Q
2	René Ahumada	Mexico	10.91	Q
3	Apolinar Solórzano	Venezuela	11.07	Q
4	Franz Lara	Costa Rica	11.30
	Eligio Rivas	Dominican Republic	DQ

Rank	Athlete	Nation	Time	Notes
1	Mike Agostini	Trinidad and Tobago	10.67	Q
2	Bruce Springbett	Canada	11.04	Q
3	Raúl Zabala	Argentina	11.21	Q
4	Carlos Vera	Chile	11.32
5	José García	Venezuela	11.56

Rank	Athlete	Nation	Time	Notes
1	Rod Richard	United States	10.73	Q
2	Clive Bonas	Venezuela	10.86	Q
3	Keith Gardner	Jamaica	10.89	Q
4	Carlos Sierra	Colombia	11.61
	Leonard Dames	Bahamas	DNS

Rank	Athlete	Nation	Time	Notes
1	José da Conceição	Brazil	11.06	Q
2	Luis Soriano	Dominican Republic	11.22	Q
3	Eduardo Basilio Ríos	Argentina	11.31	Q
4	Antonio Rodríguez	Mexico	11.53
	Gilberto Fonseca	Netherlands Antilles	DQ

Held on 14 March

Rank	Athlete	Nation	Time	Notes
1	Dean Smith	United States	10.65	Q, GR
2	Rafael Fortún	Cuba	10.69	Q
3	Harry Nelson	Canada	10.87
4	Domingo García	Dominican Republic	11.05
5	Tom Robinson	Bahamas	11.26
	Ciro Brazeiro	Uruguay	DNS

Rank	Athlete	Nation	Time	Notes
1	Willie Williams	United States	10.53	Q, GR
2	Mike Agostini	Trinidad and Tobago	10.54	Q
3	Apolinar Solórzano	Venezuela	11.02
4	Bruce Springbett	Canada	11.10
5	René Ahumada	Mexico	11.12
6	Raúl Zabala	Argentina	11.53

Rank	Athlete	Nation	Time	Notes
1	Rod Richard	United States	10.44	Q, GR
2	Keith Gardner	Jamaica	10.63	Q
3	Clive Bonas	Venezuela	10.75
4	José da Conceição	Brazil	10.76
5	Eduardo Basilio Ríos	Argentina	11.05
6	Luis Soriano	Dominican Republic	11.17

Held on 14 March

Rank	Name	Nationality	Time	Notes
	Rod Richard	United States	10.3	=GR
	Mike Agostini	Trinidad and Tobago	10.4
	Willie Williams	United States	10.4
4	Keith Gardner	Jamaica	10.5
5	Rafael Fortún	Cuba	10.6
	Dean Smith	United States	DNF