Esteban Ocon admits that yesterday's qualifying session was a veritable ordeal for the Force India driver who ran all day with a splitting migraine.
Although feeling ill, Ocon clocked in P7 in Q3, just beating to the spot team mate Sergio Perez. He'll launch his race today from P6 however as a result of Max Verstappen's grid drop.
"I had a migraine," Ocon told Motorsport.com. "So I had all the symptoms.
"I was shaking, and also then I took pills and my stomach was a bit upside down, so I was not feeling good at all. I've recovered a bit, but I'm not feeling 100 percent, let's say."
Ocon was forced to really push himself, enduring his toughest qualifying session ever.
"It was for sure the hardest session I've probably ever had, but anyway it's important to just keep pushing. Even if you feel s**t, you have to do the best you can.
"I'm pretty happy to be starting sixth, it was a good job by the team, and hopefully we can keep it going."