Courtney Duncan has won five of the six races so far this year to hold a healthy lead in the competition.
After twice missing out on world titles in dramatic fashion, Courtney Duncan's overcome a few mental barriers, and a string of injuries, to ride again.
Hayden Williams went from driver to pilot in a matter of seconds at the Western Springs International.
Hamilton apologised later for the video which he took down from his social media accounts.
The Toro Rosso driver almost had his chance taken away before it even began.