Nancy Vallecilla finished fifth in the pentathlon at the 1979 Pan American Games as well as fourth (1987) and seventh (1979) in the 100 metres hurdles at the Pan American Games.
Personal Bests: 100H – 13.16 (1987); Pen – 3899 (1978).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Athletics | Nancy Vallecilla | ||||
| 100 / 80 metres Hurdles, Women (Olympic) | ||||||
| Pentathlon, Women (Olympic) | ||||||
| 1988 Summer Olympics | Athletics | Nancy Vallecilla | ||||
| 100 / 80 metres Hurdles, Women (Olympic) | 5 h5 r1/4 |
| Games | Role | NOC | As | |
|---|---|---|---|---|
| 1980 Summer Olympics | Flagbearer at the Opening Ceremony | Nancy Vallecilla |