16               USRA World Records

16.1           Requirements for setting a new World Record

16.1.1                World Records will be kept in all USRA approved racing classes. In order to set a new World Record, a pilot must make a run quicker than the existing record and back up that run with another within 3 percent at the same event. Both heat races and trophy races qualify as potential back up times.

16.2           Existing Records

16.2.1                All classes except Unlimited:

16.2.1.1    All world records will remain as they are

16.2.2                Unlimited Class

16.2.2.1            16.2.2.1 This class will have a new record established at the first race in 2011. The existing record (prior to 2011) will be kept in place but noted as being pre-2011.