How do I properly warm up and cool down a speed event horse to protect long-term soundness?

The warm-up and cool-down routines that bracket a speed event run are among the most impactful soundness management practices available to a competitor. A horse that goes directly from a standing position to a maximum-effort run without adequate warm-up is a horse whose muscles, tendons, and ligaments have not been prepared for the forces they are about to absorb, and that unpreparedness elevates injury risk with every run. A correct warm-up for a speed event horse begins with walking — enough time at a relaxed walk to increase circulation, raise the muscle temperature, and allow the horse to assess and settle into its environment. Walking for ten to fifteen minutes is a reasonable starting point, with the duration adjusted for the individual horse, the ambient temperature, and the horse's condition that day. A cold, stiff horse needs more warm-up time than a naturally loose horse in warm weather. After the walk, trotting and then light loping gradually introduces the cardiovascular demand and muscular load that a full run requires. The cool-down after a run is as important as the warm-up before it. Walking the horse until its breathing returns to normal, its heart rate drops, and its body temperature approaches normal before allowing it to stand still or be loaded removes the circulating metabolic byproducts of intense exercise from the muscles rather than leaving them to accumulate during an abrupt stop. A horse cooled down correctly after every run maintains better muscular health across a season than one that is run, loaded, and hauled home without adequate cool-down.