IMSA GT3 Cup Challenge

The Porsche GT3 Cup Challenge USA by Yokohama (also known as IMSA GT3 Cup Challenge) was a one-make racing series from 2005-2020 based in the United States using Porsche 911 GT3s. 

The series was sanctioned by the International Motor Sports Association, and was a support series to the WeatherTech SportsCar Championship. It was replaced by Porsche Carrera Cup North America starting in 2021.

Subject ID: 196310

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The Porsche GT3 Cup Challenge USA by Yokohama (also known as IMSA GT3 Cup Challenge) was a one-make racing series from 2005-2020 based in the United States using Porsche 911 GT3s. 

The series was sanctioned by the International Motor Sports Association, and was a support series to the WeatherTech SportsCar Championship. It was replaced by Porsche Carrera Cup North America starting in 2021.

Subject ID: 196310

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