In 1950s non-championship races Fangio took a further four wins and two seconds from eight starts.
In addition to the refunded tickets, there was some discussion about holding a second, non-championship race at Indianapolis.
A non-championship one-off race was held in 2004 at the streets of Shanghai, China.
Sam's misfortunes often came in non-championship races and won out with 10 wins.
The 1980 Formula One season also included one non-championship race.
There were a greater number of 701 entries for non-Championship races in 1971.
Two non-championship races for Formula One cars were also held in 1976.
Plagued by reliability problems, it managed to finish twice and win a non-championship race.
The race was a part of the 1936 Grand Prix season as a non-championship race.
After the start of the world championship, these non-championship races continued.
