Cassidy started racing quarter midgets in January 2015 when she was 10 ½ years old. Cassidy graduated from Novice in May 2015 and moved into Sr. Honda. Halfway through the 2015 season, Cassidy added another car so she could start driving in the Lt. 160 class as well as Sr. Honda. For Cassidy 2015 was a year of intense learning and driving. She was at the track practicing with her dad whenever they could make it there. In 2015 Cassidy went to the Winter Nationals in Las Vegas, NV her first national race where she finished 6th in the A Main for B class.