You're pulling 4-5G for a lot of the corners around the lap. We build up lactic acid because there are a lot of vibrations in the car, and you have to have strong legs to hit the brake pedal. We need to be fit to do every lap at 100%.
Monza is Formula One's oldest circuit and a favourite amongst the drivers', ... It has a very special atmosphere and provides a real challenge with its combination of long corners and very fast straights.