[2] A school librarian, Dietrich was introduced into sports car racing by her husband.

During the early years of her career, she typically drove an MG TC, while later she raced a variety of Elvas and Porsches.

She also enjoyed victories in preliminaries at Watkins Glen International and in SCCA Regional races at Dunkirk.

[4] She raced less frequently from 1962,[4] but in 1966, she entered the 24 Hours of Daytona, driving a Sunbeam Alpine with Janet Guthrie and Donna Mae Mims.

[6] After her retirement from racing, she wrote for the Sandusky Register and remained active as an administrator within the Sports Car Club of America.