The National Carriage Driving Championship is held at Windsor Great Park, just west of London. After completing 3 marathon legs totalling over 20km, the participants complete a final leg that include a series of obstacle courses. This is what is pictured in this gallery. Each obstacle course is a timed competition consisting of a series of lettered gates that must be completed in alphabetical order, in the correct direction. The drivers may take any path they wish, as long as they complete the gates in the correct order. The groom, on the back platform, helps navigate, as well as shifting weight to help complete the course as quickly as possible.