Athletics
- Men
| Athlete | Event | Heat | Semifinal | Final | |||
|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||
| Nery Brenes | 400 m | 45.36 | 1 Q | 44.94 | 4 | Did not advance | |
| Allan Segura | 20 km walk | 1:27:10 | 39 | ||||
- Women
| Athlete | Event | Final | |
|---|---|---|---|
| Result | Rank | ||
| Gabriela Traña | Marathon | 2:53:45 | 68 |
Read more about this topic: Costa Rica At The 2008 Summer Olympics