Sylvie began her running career at the age of 18. On June 11, 1978, she won second place in at a 3000 m race in Brussels, Belgium with a time of 9:38.94. During the 1984 Avon Marathon in Paris, Bornet came in 12th with a time of 2:39:18, winning $1,750.
Bornet’s marathon run at the 1985 Universiade competition earned France a gold medal, despite the run being the slowest of her career (2:48:11).[2][3] During the 1986 London Marathon, Bornet won $10,000 after coming in fourth place in a time of 2:31:43.
In 1987, Bornet placed third at the Houston Marathon, winning $8,000 in a time of 2:37:48.[1][4] On Oct. 11, 1987, she was the first to cross the finish at the Twin Cities Marathon, winning $25,000 in a time of 2:30:11.[5] Bornet won the Twin Cities Marathon again in 1990 with a career record time of 2:29:22.[6]
At the 1992 Paris Marathon, Bornet took second place with a time of 2:32:24, winning $16,200. She ran the last marathon of her career on Jan. 31, 1993 at the Osaka Women’s International Marathon, ending in 17th place with a 2:43:25 run.[7] Her career earnings amount to $93,850.[1]