About Don Diffendorf
Lived 1929 – 2012 (aged 83). Don Diffendorf was an American racing driver.
Donald Diffendorf (February 9, 1929 – April 21, 2012) was an American dirt modified racing driver who accounted for over 100 feature victories. His most famous ride was Glenn Scott's iconic S/360, numbered for the IBM System 360 computers Scott sold. Racing career Diffendorf began his racing career at Five Mile Point Speedway, Kirkwood, New York, the year the track opened in 1951. He competed successfully elsewhere in New York, including Fulton Speedway, Lancaster Speedway, and Oswego Speedway, while claiming championship titles at Five Mile Point and Shangri-La Speedway in Owego.
In 1969 and again in 1971, Diffendorf won the New York State Fair championship event at the Syracuse Mile He was inducted into the New York State Stock Car Association Hall of Fame in 2012, and into the Northeast Dirt Modified Hall of Fame in 2016.
Don’t just read it —
keep it.
Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.
- E-book
- Audio
- Video
Instant download · yours to keep · every purchase keeps this site free
Important facts
People in Don Diffendorf's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Don Diffendorf's
Frequently asked questions
Who was Don Diffendorf?
American Dirt Modified racing driver (born 1929)
When was Don Diffendorf born?
Don Diffendorf was born on 9 February 1929.
When did Don Diffendorf die?
Don Diffendorf died on 21 April 2012.
What was Don Diffendorf's occupation?
Don Diffendorf was a racing driver.
What nationality was Don Diffendorf?
Don Diffendorf was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Don Diffendorf. https://biography.guide/don-diffendorf/
MLA: "Don Diffendorf." Biography.guide, https://biography.guide/don-diffendorf/.
Chicago: "Don Diffendorf." Biography.guide. https://biography.guide/don-diffendorf/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Page generated 2026-09-27 05:17 UTC