Costa Rica in Athletics |
  
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Athlete |
Event |
Heat |
Res. |
Pos. |
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| Nery Brenes | 400 m M | Semifinal | 45,93 | 5 | |||
| Round 1 | 45,47 | 5 | q | ||||
| Sharolyn Scott | 400 m hurdles W | Round 1 | 58,78 | 7 | |||
