English: At the young age of 16, "Diay", as De Vega was fondly called, won two gold medals in the 1981 SEA Games in Manila in the 200-meter and 400-meter events. She continued her winning streaks in succeeding SEA Games, securing gold medals in Singapore in 1983 and 1993, in Jakarta in 1987, and in Manila in 1991.
Filipino: Sa murang edad na 16, nanalo ng dalawang gintong medalya si "Diay" sa 200-meter at 400-meter events noong 1981 SEA Games na ginanap sa ating bansa. Nagpatuloy ang kanyang sunod-sunod na panalo sa SEA Games at nakakuha sya ng mga gintong medalya sa Singapore noong 1983 at 1993, sa Jakarta noong 1987 at sa Manila noong 1991.