Description/Rules:  A horse and rider enters at the red line, circles around the 1st barrel, proceeds to the 2nd barrel, and then continues on to the 3rd where they will complete the pattern and finally exit the course crossing the red line a second time. This pattern is often referred to as a "Cloverleaf". The pattern may also begin with the left barrel first.  Running past a barrel and off the pattern will result in a "no time" score and disqualification.  If a barrel racer or her horse hits a barrel and knocks it over, there is a time penalty, usually five seconds, which usually will result in a time too slow to win.