Competing since the age of 15, he had a remarkably successful early career, winning several regional and AAA-sanctioned championships.

In 1945, at age 15, Ruttman entered his family's car into a roadster race held in San Bernardino, California, winning the event.

In 1948 he repeated as the CRA roadster champion, United Racing Association Blue Circuit (Offy) championship, and 23 midget car events.

He had not been diligent during his recovery, gaining weight, and spending time partying - a competitor remarked that Ruttman was a case of "too much, too young.

Ruttman also competed in seven races in the NASCAR Grand National Series from 1962 to 1964, finishing in the top ten five times.

After concluding his racing career at the age of 34, Ruttman relocated to Plymouth, Michigan, operating a motorcycle and snowmobile dealership.