The 2016 IMSA SportsCar Championship (known for sponsorship reasons as the 2016 IMSA WeatherTech SportsCar Championship) was the third season of the United SportsCar Championship and first to be under the name as the IMSA SportsCar Championship organized by the International Motor Sports Association (IMSA). It was the 46th season of IMSA-sanctioned GT Championship sportscar racing tracing its lineage to the 1971 IMSA Camel GT season. It began on January 30 with the 24 Hours of Daytona and ended on October 1 at Petit Le Mans.[1]