Manish Pandey said one of the greatest difficulties in creating Senna was cutting the film from an early two - and - a-half hour version to its final 100 minutes .
Senna is the last F1 documentary feature .
Manish Pandey said one of the greatest difficulties in creating Senna , the last F1 documentary feature , was cutting the film from an early two - and - a-half hour version to its final 100 minutes .