Guyana at the 2003 Pan American Games
# Guyana at the 2003 Pan American Games

The 14th Pan American Games were held in Santo Domingo, Dominican Republic from August 1 to August 17, 2003.

## Medals

### Silver

**Athletics**

* Women's 800 metres: Marian Burnett

### Bronze

**Athletics**

* Women's 400 metres: Aliann Pompey

## Results by event

### Boxing

| Athlete | Event | Round of 16 | Quarterfinals | Semifinals | Final |
| - | - | - | - | - | - |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result |
| Rayon O'Neil | Middleweight | Almonte (PUR) L 10-18 | did not advance | did not advance | did not advance |

### Swimming

**Men's Competition**

| Athlete | Event | Heat | Heat | Final | Final |
| - | - | - | - | - | - |
| Athlete | Event | Time | Rank | Time | Rank |
| Onan Thom | 50 m freestyle | 24.83 | 28 | did not advance | did not advance |
| Onan Thom | 100 m freestyle | 54.14 | 31 | did not advance | did not advance |
| Onan Thom | 100 m breaststroke | 1:10.78 | 20 | did not advance | did not advance |
