Zakkari Dempster was an Australian former professional racing cyclist, who competed professionally between 2006 and 2019 for the SouthAustralia.com–AIS, Drapac–Porsche Cycling, Rapha Condor–Sharp, Endura Racing, Bora–Argon 18 and Israel Cycling Academy teams. After retiring, Dempster now works as a directeur sportif for Israel Premier Tech Academy, the development team for UCI WorldTeam Israel–Premier Tech.

The Australian National Time Trial Championships, are held annually with an event for each category of rider: Men, Women & under 23 riders. The event has been run concurrently with the Australian National Road Race Championships since 2002. The Australian Championships have officially been known as the Scody Australian Open Road Cycling Championships since 1999, taking the name of their main sponsor, but are more commonly referred to as The Nationals. According to Cycling Australia, the under 23 men's time trial championships were introduced in 2001. Gran fondo national championships were introduced in 2016. E-sports made a debut in 2019.