Costa Rica at the 1988 Summer Olympics

Athletics

Marathon, Men Ronaldo Lanzoni 40
Juan Amores 45
Luis López 68
800 metres, Women Maureen Stewart 6 h3 r1/3

Boxing

Welterweight, Men Humberto Aranda =9

Judo

Lightweight, Men Henry Núñez =19

Shooting

Air Pistol, 10 metres, Men Mariano Lara 42

Swimming

100 metres Backstroke, Men Horst Niehaus =42
Eric Greenwood 45
200 metres Backstroke, Men Horst Niehaus 34
Eric Greenwood 35
200 metres Individual Medley, Men Eric Greenwood 43
Horst Niehaus 44
50 metres Freestyle, Women Carolina Mauri 33
100 metres Freestyle, Women Sylvia Poll 5
Carolina Mauri 41
200 metres Freestyle, Women Sylvia Poll 2 Silver
Natasha Aguilar 34
4 × 100 metres Freestyle Relay, Women Costa Rica 12
Natasha AguilarMarcela CuestaCarolina MauriSylvia Poll
100 metres Backstroke, Women Sylvia Poll 6
100 metres Breaststroke, Women Sigrid Niehaus 35
Montserrat Hidalgo 36
200 metres Breaststroke, Women Montserrat Hidalgo 37
Sigrid Niehaus 38
100 metres Butterfly, Women Marcela Cuesta 33
4 × 100 metres Medley Relay, Women Costa Rica 15
Sylvia PollSigrid NiehausMarcela CuestaCarolina Mauri

Weightlifting

Light-Heavyweight, Men Rafael Elizondo 16