In her first full season in the ARCA Racing Series, Duno finished the 2013 season seventh in driver championship standings, becoming the second highest finishing female driver in ARCA's 61-year history. Duno's season highlights include earning the pole at Talladega Superspeedway and leading the first 11 laps at Daytona International Speedway from her outside row one starting position. Her pole at Talladega ranks her as one of only four female drivers to earn pole positions in the ARCA Racing Series. Over 21 races in 2013, Duno earned a career-best eighth-place finish at Salem Speedway and a 10th-place finish at Winchester Speedway. Overall, she earned 2 top-10 and 13 top-15 finishes. She would also finish the 2013 season third in CGS Imaging Hard Charger points and third in the S&S Volvo Laps Completed points with a total of 2423 laps completed during the season.