Tri-fecta

The tri-fecta is a feat done by some drivers. They're multiple tri-fecta's in DASCAR.

Philips Nationwide Series
Currently as of Season 4, the tri-fecta is the following:
 * Daytona Opener
 * Zen Joltis
 * Spa-Francorchamps

ING/Philips Truck Series
Currently in the Trucks, there is only an unofficial tri-fecta:
 * Daytona Opener
 * Watkins Glen
 * Irwindale