McLaughlin moved up one spot from his place on the starting grid to push his overall lead even further.
"Thanks for all the kind messages that have flooded in over social. I'm all ok," Hartley posted on Instagram.
Patrick's 14-year career came to a devastating end, with the US driver retiring from the Indianapolis 500 race this morning.
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.