Paea Wolfgramm , Tonga 's only Olympic medallist olympics.olympic_medal_honor that time ( he had won a silver medal in boxing at the 1996 Summer Olympics ) , spoke of the promise of sports development and was the highlight of both presentations .

Ernesto Canto from Mexico , future gold medallist olympics.olympic_medal_honor the men 's 20 kilometre walk event at the 1984 Summer Olympics held in Los Angeles , California , defended his title and gained the gold medal in the 10,000 metres track walk event .