Clark International Speedway, abbreviated as CIS, is a motorsport venue at the Clark Freeport Zone in Mabalacat, Pampanga, Philippines. It was built on November 15, 2008 and has a Grade 4 accreditation level from the FIA. The 4.2 km circuit features 18 turns and runs in a counter-clockwise direction. Clark International Speedway hosts both 2- and 4-wheeled events.