The loop the loop stunt appears in Track 2 and can lead to crashes if not approached correctly.

To complete it in the fastest time, it is necessary to ensure sure that you are in the right hand side of the track as indicated by the sign post before you approach and enter the loop. Once you have entered the loop you must keep the steering straight. Any movement  while your car is  turning upside down will cause you to loose traction, change your  position in the loop and affect where you exit which may lead to a collision with the railings or the other side of the loop. However, If you follow these instruction completing the loop will be extremely easy.

Good luck