Christopher Robert Holder is an Australian speedway rider, who was the 2012 World Speedway Champion. He is also five times Australian champion (2008, 2010, 2011, 2012, and 2014.

The Australian Under-21 Speedway Championship is a motorcycle speedway championship held each year since 1986, to determine the Australian Under-21 national champion. The event is organised by Motorcycling Australia (MA).