Bonneville Salt Flats Salt Laydown Project is now a required element of the facility’s operating plan. Motorcar racing has taken place at the salt flats since 1914. Racing takes place at part of the Bonneville Salt Flats known as the Bonneville Speedway. There are five major land speed events that take place at the Bonneville Salt Flats. Bonneville "Speed Week" takes place mid-August followed by "World of Speed" in September and the "World Finals" take place early October. These three events welcome cars, trucks, and motorcycles. The "Bub Motorcycle Speed Trials" are for motorcycles only. World records are contested at the Mike Cook
Land speed racing Land speed racing Land speed racing is a form of motorsport. Land speed racing is best known for the efforts to break the absolute land speed record, but it is not limited to specialist vehicles. A record is defined as the speed over a course of fixed length, averaged over two runs (commonly called "passes"). Under current FIA rules, two runs are required in opposite directions within one hour, and a new record mark must exceed the previous one by at least one percent to be validated. Records are set in either the flying kilometre or flying mile. The sport's