In February 1982, co-driving a factory-sponsored Mazda RX-7 with Allan Moffat and Lee Mueller, she earned a GTU class victory at the 24 Hours of Daytona.
During an IMSA sports car event at Brainerd, Minnesota in July 1983, she suffered horrific injuries in a crash which ended her racing career.
Noted sports car champion Brian Redman once referred to her as the only female driver he'd encountered who posed a genuine threat to win major professional automobile races.
Kathy is also a breast cancer survivor including a stem cell transplant, trial drugs and radiation.
Now doing well, she is married (since 1985) to Canadian sports-car racer and three-time Indianapolis 500 veteran Ludwig Heimrath, Jr. living in western Washington State.