On the left rein, or when the horse is tracking left, the first footfall is the right hind (red) -again the outside as we have changed direction. Next, the left (inside) hind and right (outside) fore hit together (blue) and finally the leading leg, which will be the left fore (green). The left canter The foot falls of a left canter You won't be training for agility long before you start hearing about "lead changes" and "the leading leg." If you're not used to watching gaits, it can be a difficult concept to understand. It is, however, well worth investing some time in acquiring a good understanding, as it's an essential concept. Every time your dog changes direction in canter, he is changing his leading leg. September 20 | Clean Run 35