 Duno was the first woman in history to win a Ferrari Challenge Race in the USA and also she won her first Series Championship - The Panoz GT Series.Later in 2000, Duno made her American Le Mans Series debut, she was the first woman to finish in a class podium on this championship.She made her 24 Hours of Daytona debut the next year and her 24 Hours of Le Mans debut a year later.