# Athletics at the 1975 Pan American Games – Men's 100 metres

The men's 100 metres event at the 1975 Pan American Games was held in Mexico City on 13 and 14 October.

## Medalists

| Gold | Silver | Bronze |
| Silvio Leonard Cuba | Hasely Crawford Trinidad and Tobago | Hermes Ramírez Cuba |

## Results
### Heats

Wind: Heat 1: 0.0 m/s, Heat 2: -1.6 m/s, Heat 3: -1.0 m/s, Heat 4: -1.4 m/s, Heat 5: 0.0 m/s
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 5 | James Gilkes | Guyana | 10.35 | Q |
| 2 | 1 | Silvio Leonard | Cuba | 10.41 | Q |
| 3 | 4 | Bill Collins | United States | 10.42 | Q |
| 4 | 5 | Rui da Silva | Brazil | 10.46 | Q |
| 5 | 4 | Hasely Crawford | Trinidad and Tobago | 10.49 | Q |
| 6 | 2 | Hermes Ramírez | Cuba | 10.51 | Q |
| 7 | 3 | Clancy Edwards | United States | 10.52 | Q |
| 8 | 4 | Nelson dos Santos | Brazil | 10.55 | Q |
| 9 | 4 | Hugh Fraser | Canada | 10.56 | q |
| 10 | 1 | Marvin Nash | Canada | 10.62 | Q |
| 11 | 3 | Gregorio García | Dominican Republic | 10.64 | Q |
| 12 | 1 | Enrique Almarante | Dominican Republic | 10.65 | Q |
| 13 | 5 | Michael Fray | Jamaica | 10.71 | Q |
| 14 | 3 | Clifton Schultz | Guyana | 10.72 | Q |
| 15 | 1 | Alfred Daley | Jamaica | 10.79 | |
| 16 | 1 | Rudolph Levarity | Bahamas | 10.80 | |
| 17 | 2 | Walter Callander | Bahamas | 10.81 | Q |
| 18 | 3 | Mike Sharpe | Bermuda | 10.82 | |
| 19 | 4 | Gregory Simons | Bermuda | 10.83 | |
| 20 | 2 | Gustavo Dubarbier | Argentina | 10.85 | Q |
| 21 | 4 | Arturo Godoy | Mexico | 10.86 | |
| 22 | 2 | Edsel Nahr | Netherlands Antilles | 10.89 | |
| 23 | 2 | Ronald Russell | Virgin Islands | 10.90 | |
| 24 | 3 | Philippe Étienne | Haiti | 10.91 | |
| 25 | 3 | Siegfried Regales | Netherlands Antilles | 10.98 | |
| 26 | 1 | Miguel Verti | Mexico | 11.01 | |
| 27 | 1 | Ángel Guerreros | Paraguay | 11.03 | |
| 28 | 2 | Lionel Caero | Bolivia | 11.31 | |
| 29 | 5 | Melvin Ramírez | Guatemala | 11.35 | |

### Semifinals

Wind: Heat 1: +1.4 m/s, Heat 2: 0.0 m/s
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 1 | Silvio Leonard | Cuba | 10.15 | Q, GR |
| 2 | 2 | James Gilkes | Guyana | 10.22 | Q |
| 3 | 2 | Hermes Ramírez | Cuba | 10.24 | Q |
| 4 | 1 | Hasely Crawford | Trinidad and Tobago | 10.27 | Q |
| 5 | 1 | Clancy Edwards | United States | 10.33 | Q |
| 6 | 2 | Bill Collins | United States | 10.35 | Q |
| 7 | 1 | Rui da Silva | Brazil | 10.36 | Q |
| 8 | 2 | Hugh Fraser | Canada | 10.37 | Q |
| 9 | 2 | Nelson dos Santos | Brazil | 10.39 | |
| 10 | 2 | Michael Fray | Jamaica | 10.39 | |
| 11 | 1 | Marvin Nash | Canada | 10.41 | |
| 12 | 1 | Gregorio García | Dominican Republic | 10.57 | |
| 13 | 1 | Clifton Schultz | Guyana | 10.58 | |
| 14 | 2 | Enrique Almarante | Dominican Republic | 10.59 | |
| 15 | 2 | Gustavo Dubarbier | Argentina | 10.73 | |
| 16 | 1 | Walter Callander | Bahamas | 10.74 | |

### Final

Wind: -0.4 m/s
| Rank | Name | Nationality | Time | Notes |
| | Silvio Leonard | Cuba | 10.15 | =GR |
| | Hasely Crawford | Trinidad and Tobago | 10.21 | |
| | Hermes Ramírez | Cuba | 10.34 | |
| 4 | James Gilkes | Guyana | 10.35 | |
| 5 | Clancy Edwards | United States | 10.39 | |
| 6 | Hugh Fraser | Canada | 10.45 | |
| 7 | Rui da Silva | Brazil | 10.46 | |
| 8 | Bill Collins | United States | 10.48 | |