Tessa has competed in SIX Olympic Games, which in itself is a record, which resulted in winning a gold medal in the javelin event in 1984. Tessa has won many other major medals including three times Commonwealth Gold and the last being a World Cup Gold in Cuba in 1990. In the 1992 Barcelona Olympics and competing in her 5th Olympics she finished an incredible 4th place in the final.

2009 was the 25th Anniversary of Tessa winning her Olympic Gold Medal at the 1984 Games in Los Angeles.