Sam Houston Race Park has canceled live racing through Saturday, said Dwight Berube, vice president and general manager of the Houston track. The region is experiencing a winter storm system that has led to power outages across the state. The Saturday card featured a number of stakes as part of the Texas Champions Preview Day program. It will be moved in its entirety to next Saturday, Feb. 27, Berube said. It will not be redrawn. Texas Champions Day will remain March 20, Berube said. Sam Houston will be adding races to future cards to make up for the lost races from this week, Berube said.