Bollywood superstar Shah Rukh Khan has heaped praises on Farhan Akhtar for his portrayal of legendary athlete Milkha Singh in the upcoming biopic 'Bhaag Milkha Bhaag'

Directed by Rakeysh Omprakash Mehra, the film stars Farhan and Sonam Kapoor in lead roles and tells about the journey of the flying Sikh.

The film will hit theatres this Friday. "The only race you can't win is the race against your past. What a lovely experience is bhaag Milkha. Thanks Rakyesh and you inspire me my Flying Farhan, " Khan posted on Twitter. Shah Rukh, 47, and Farhan had co-produced 'Don 2'.