Austin 400

The Austin 400 was a motor racing event for V8 Supercars that took place at the Circuit of the Americas in Travis County near Austin, Texas, United States of America in 2013. 
History.
Its inaugural running took place between 17 and 19 May 2013, as the fifth round of the 2013 International V8 Supercars Championship. The race marked the category's first event in the United States, and featured four races of .
Demise.
The race was not held in 2014 due to the track hosting the X Games; regarding the scheduling conflict, V8 Supercar chief executive James Warburton stated, "The timing of COTA securing the X Games next year led to the mutual agreement of a gap-year before consolidating, planning and returning to Texas in 2015."
On 28 August 2014, it was announced that V8 Supercars and the Circuit of the Americas had agreed to terminate the current contract. It is unlikely that V8 Supercars will return to the USA for the foreseeable future.