F1 drivers say they will race the Russian Grand Prix for injured colleague Jules Bianchi

Marussia test driver Alexander Rossi inspects the Sochi Autodrom Formula One circuit in Sochi, Russia, Thursday, Oct. 9, 2014. In Japan, Marussia driver Jules Bianchi is in critical but stable condition after suffering a severe head injury when his Marussia car ploughed into a recovery crane at the Suzuka course during rainy conditions.The inaugural Russian GP will be held on Sunday in Sochi, the Black Sea resort that hosted this year's Winter Olympics. (AP Photo/Luca Bruno) (The Associated Press)

Force India driver Sergio Perez of Mexico rides a bicycle as he inspect the Sochi Autodrom Formula One circuit in Sochi, Russia, Thursday, Oct. 9, 2014. The inaugural Russian GP will be held on Sunday in Sochi, the Black Sea resort that hosted this year's Winter Olympics. (AP Photo/Luca Bruno) (The Associated Press)

Formula One drivers say they will race this weekend's Russia Grand Prix for Jules Bianchi, who was seriously injured in an accident last week in Japan.

Ferrari driver Fernando Alonso says the race in Sochi will be "emotionally very difficult, we will race for him, our minds are with him and we are praying for him."

Still trying to cope with the Bianchi's accident, some of the leading drivers say they must try to be professional and focus on the race, despite the "gray cloud" over the this weekend's event.

Felipe Massa, who survived a life-threatening accident in 2009, says the race in Japan was "the worst race of my life" — since he could not remember much of his own accident.