Drive around the first bend in the track and proceed to a turn-off on the left, designated by a few rocks and a sandy sliproad. Drive through this shortcut ignoring the wrong way signs until you emerge on the main track. Press the reset car key which should be default 0 on the numberpad. This places your car right at the beginning of the track. Note your car position number 1 - giving you a clear lead on the others. Do this one more time and you should sail through no problem.