Overreaching is a common movement fault in horses where a hind foot strikes the heel, sole, or shoe of the front foot on the same side. It typically occurs during faster paces — particularly canter and gallop — or when a horse is working hard over fences. The resulting injuries can range from minor bruising to deep lacerations and, in severe cases, tendon damage. Understanding why overreaching happens and how to manage it is an essential part of horse ownership and management.
What Causes Overreaching?
Overreaching happens when the stride of the hindquarter overtakes the forefoot before it has fully left the ground. Several factors contribute to this:
Conformation: Horses with long hindlimbs relative to their forelimbs, a short back, or naturally big-moving hind legs are structurally more likely to overreach. Warmbloods bred for extended trot are particularly prone.
Speed and fatigue: At faster paces, the hind legs engage with more power and cover more ground. A tired horse loses coordination and timing, making overreaching more likely in the latter stages of a cross-country course or a long hack.
Schooling and collection: During collected work where engagement is high, or when asking for extended trot and medium canter, the increased engagement of the hindquarters can bring the hind feet further under the body — increasing the chance of contact with the front feet.
Shoeing: Heavy front shoes slow the breakover of the front foot. Long toes and low heels in front also delay when the foot leaves the ground, giving the hind foot more opportunity to make contact. A farrier experienced with performance horses can adjust the balance and weight of the shoe to reduce this risk.
Recognising the Signs
The most obvious sign of overreaching is a wound to the heel or coronary band of a front foot — typically a cut or flap of skin where the hind shoe has struck. You may also notice missing heel studs or damage to the back of the front shoe. Some horses show subtle lameness or resistance to work, and repeated overreaching without protection can cause chronic soreness in the heel area.
In serious cases, the blow from the hind foot can catch the flexor tendons as they run down the back of the leg, risking tendon injury. Any unexplained swelling or heat in the lower leg after work warrants immediate veterinary attention.
Prevention: Overreach Boots
The standard protection against overreaching is the overreach boot, also known as a bell boot. These rubber or reinforced boots fit over the front hooves and wrap around the heel and pastern, absorbing the impact if the hind foot strikes. They are standard kit for jumping, cross-country work, and lungeing.
Overreach boots come in pull-on and velcro-fastening styles. Pull-on boots are more secure but harder to put on. Petal-style boots made from individual rubber segments are popular for turnout and everyday use. Always check that boots fit correctly — too loose and they spin and cause rubs; too tight and they restrict circulation.
Training and Farriery Solutions
Beyond boots, addressing the underlying cause is important for horses that overreach regularly. A farrier can shorten the toe, raise the heel, or use a rolled or rockered toe on the front shoes to speed up breakover. Lightweight aluminium shoes can also help — less weight means the front foot lifts away faster.
From a training perspective, building the horse’s core strength, improving balance, and avoiding excessive fatigue all reduce the likelihood of overreaching. Gymnastic exercises, trotting poles, and polework can improve coordination and proprioception, particularly in young horses or those in early training.
Frequently Asked Questions
Is overreaching the same as forging?
No — though they are related. Forging is when the hind shoe clips the underside of the front shoe, producing a characteristic clicking sound at trot. Overreaching is more serious: the hind foot actually strikes the heel or lower leg of the front limb. Both indicate the hind foot is moving faster than the front, but overreaching causes physical injury where forging typically does not.
How do I treat an overreach wound?
Clean the wound thoroughly with dilute hibiscrub or saline, remove any flap of skin that is not viable, and apply an appropriate wound dressing. Depending on depth and location, your vet may recommend antibiotics or a tetanus booster. Keep the wound clean and monitor for signs of infection. For wounds near the coronary band, seek veterinary advice promptly — damage here can affect hoof growth.
Should I use overreach boots every time I ride?
If your horse has a known tendency to overreach, or if you are jumping, cantering on hard ground, or working at high intensity, boots are a sensible precaution. For quiet hacking on soft ground, the risk is lower. Many riders use them routinely as they are cheap insurance against a nasty wound. Check boots before and after every use for wear, as torn or stiff rubber can itself become a hazard.