Running with your dog: when you can actually start

The long bones of a growing dog are not rigid structures: at their ends sit growth plates, areas where tissue multiplies and lengthens the bone. While those areas remain open they are mechanically weaker than the surrounding bone, and high repetitive load concentrates there. Continuous running alongside a person, at a steady externally imposed pace on a hard surface, is exactly that kind of load.

The ranges above are orientations, not certificates. The only way to know whether an individual dog's growth plates have closed is a radiograph requested for that purpose. If the dog is large, if it has had an orthopaedic problem, or if the aim is meaningful distance, that check is worth the time it takes. When in doubt you wait: waiting costs a few months, while an overload injury in a young dog can cost years of management.

Before the first outing, book a dedicated consultation and say the goal is running, not a general check. The things to verify are specific and largely do not surface in a routine examination.

• Skeletal maturity: confirmed clinically and, where needed, radiographically.
• Orthopaedic examination: joint range of motion, pain on palpation, muscular symmetry between right and left.
• Body condition: an overweight dog starts with already high joint load at every footfall.
• Cardiorespiratory system: auscultation and assessment of exercise tolerance, with particular attention to brachycephalic conformation.
• Paw pads and nails: thin skin or long nails change the footfall and encourage abrasions.
• History of previous lameness, even episodic and self resolving, because it shows where the system gives way first.
• Parasite protection and hydration: outdoor activity raises both exposure and requirement.

A dog runs barefoot and does not sweat through the skin. Those two facts alone explain why surface and weather weigh more here than for someone running in shoes. Tarmac stores heat and releases it for hours after sunset, and the paw pads are in direct contact with that surface at every stride.

The back of the hand test is the fastest check and should be done every time, not once per season: rest the back of your hand on the tarmac and hold it for seven seconds. If it becomes uncomfortable before the end, the surface is too hot to run on. On hot days the reverse also applies: shade in the early morning does not guarantee cool tarmac if it stored heat the day before.

The progression below assumes an adult dog, healthy, with confirmed skeletal maturity and used to walking regularly. Every session starts and ends with walking, and at least one day passes between sessions. The aim of the first weeks is not distance but the adaptation of tendons, ligaments and pads, which mature more slowly than cardiovascular capacity.

If a check is not passed, the week repeats instead of moving on. From there weekly volume grows by roughly a tenth at a time, and every three or four weeks the volume reached is held without increasing. People in a hurry to reach a given distance tend to skip precisely those consolidation weeks, which are where adaptation becomes stable.

The warm up is not a formality: it raises tissue temperature, improves joint lubrication and prepares the cardiovascular system for a higher load. In dogs it is achieved through brisk walking followed by a few minutes of easy trotting, not through passive stretching, which on a cold muscle has no documented benefit.

1. 1

   Walk for at least five minutes

   Loose pace, slack lead, letting the dog sniff. It also allows elimination before the active part starts.

2. 2

   Add a few minutes of easy trot

   A gentle steady rhythm with no sprinting. This is the transition most often missing, and the dog cannot manage it alone if the handler sets off fast.

3. 3

   Run the main part at the planned pace

   A sustainable steady rhythm. If you have to keep talking to correct the pace, the rhythm is wrong for one of you.

4. 4

   Slow down gradually

   Five to ten minutes of walking at the end. Stopping dead and sitting in the car is the worst option for a dog that has just worked.

5. 5

   Check the feet before going in

   Pads, spaces between the toes, and nails. An abrasion found immediately is manageable, the same one discovered the next day is often already inflamed.

6. 6

   Offer water in small amounts

   Several small drinks beat one large one straight after effort, particularly in large deep chested dogs.

Recovery continues over the following hours. A large meal should not be given immediately before or immediately after intense activity, and in large deep chested dogs this precaution also relates to the risk of gastric dilatation. The best moment to judge how it went remains the following morning.

Equipment does not improve performance, but the wrong equipment can create problems that did not exist. Three things matter more than the rest: how the dog is attached, how long the attachment is, and who decides the pace.

• A harness rather than a collar: repeated traction on the neck should be avoided in any dog and becomes a serious problem where the airway is already narrow.
• A back attachment point and a design that leaves shoulder and scapula free: a harness that blocks front limb movement alters the gait kilometre after kilometre.
• A lead with an elastic section and a waist belt: it absorbs jolts and frees the arms, but should be short enough to keep control on the road.
• Constant length: a lead that extends and retracts teaches the dog to change position and increases the risk of tripping.
• A fixed side: always running on the same side makes handling predictable and reduces corrections.
• Visibility: reflective elements on dog and handler whenever you go out in low light.
• No added weight: rucksacks and weighted harnesses do not belong to the start and should only be introduced, if ever, on professional advice.

On handling there is a single rule: the pace belongs to the slower of the two. If the handler has a personal training goal incompatible with the animal's stride, the two activities should be separated. Taking a dog at a speed that is not its own is the most common way to turn a good habit into an injury.

Some signals mean interrupting the session immediately and others mean not repeating it until you understand why. It is worth knowing them before you have to interpret them halfway through a route.

1. The dog slows, drops behind the handler or seeks shade: switch to walking and head home.
2. Noisy breathing, a very wide lolling tongue, thick saliva: stop, find shade and water, and consider walking back.
3. Any lameness or change in weight bearing: stop at once, do not push on to see whether it passes.
4. Refusal to continue in a normally motivated dog: that is information, not disobedience.
5. Vomiting, staggering, very red or very pale gums, disorientation: treat as an emergency and contact the clinic.
6. The next day: stiffness, reluctance to jump into the car or a shortened stride mean rest and a review of the load.