2003 Pan American Junior Athletics Championships
| XII Pan American Junior Athletics Championships | |
|---|---|
| Dates | 18–20 July |
| Host city | Bridgetown, Barbados |
| Venue | Barbados National Stadium |
| Level | Junior |
| Events | 43 |
| Participation | about 352 athletes from 31 nations |
The 12th Pan American Junior Athletics Championships were held in Bridgetown, Barbados at the National Stadium on 18–20 July 2003. Jamaican sprinter Usain Bolt had the outstanding performance equalling the 200m World Junior record, while the team of the USA dominated the championships gaining 48 medals.