| Costa Rica at the 2019 World Championships in Athletics | |
|---|---|
 | |
| WA code | CRC |
| in Doha | |
| Competitors | 4[1] (1 man and 3 women) |
| Medals |
|
| World Championships in Athletics appearances | |
Costa Rica competed at the 2019 World Athletics Championships in Doha, Qatar, from 27 September–6 October 2019.
| Athlete | Event | Qualification | Final | ||
|---|---|---|---|---|---|
| Distance | Position | Distance | Position | ||
| Roberto Sawyers | Hammer throw | 72.41 | 26 | Did not advance | |
| Athlete | Event | Heat | Semifinal | Final | |||
|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||
| Andrea Vargas | 100 m hurdles | 12.68 NR | 6 Q | 12.65 NR | 8 q | 12.64 NR | 5 |
| Gabriela Traña | Marathon | — | 3:19:13 | 40 | |||
| Gabriela Traña | 20 km walk | — | 1:46:30 | 36 | |||