Running injuries rarely appear out of nowhere. In most cases, they build gradually when training load, recovery, strength and running mechanics stop working well together. Understanding The Most Common Running Injuries and How to Prevent Them can help you stay consistent, avoid longer lay-offs, and know when early treatment is the better option.
The most common running injuries and how to prevent them
Most runners do not get injured because they are running full stop. They get injured because something changes too quickly. That might be mileage, speed work, hills, footwear, gym volume, sleep, or simply trying to train through early warning signs.
A useful rule is this: pain that eases as you warm up but returns afterwards, pain that is worse the next morning, or pain that changes your stride should not be ignored. Those patterns often suggest overload rather than ordinary post-run soreness.
Runner’s knee
Patellofemoral pain, often called runner’s knee, usually causes pain around or behind the kneecap. It can feel worse on stairs, during squats, after sitting for a long time, or on downhill runs. Weakness around the hips, a sudden increase in training, and poor load management are common contributors.
Prevention starts with sensible progression. If you have recently increased your distance or pace, pull one variable back rather than pushing through. Strength work for the glutes and quadriceps is particularly useful, and it often matters more than stretching alone. If your pain is changing how you run, a physiotherapy assessment can help identify whether the issue is primarily strength, control, mobility or training load.
Achilles tendinopathy
The Achilles tendon does a huge amount of work during running, especially with speed sessions, hill repeats and changes in footwear. Irritation usually presents as stiffness first thing in the morning or pain at the start of a run that may ease, then flare later.
This injury is often made worse by doing too much too soon after time off. Prevention depends on calf strength, gradual exposure to faster running, and not making abrupt changes to shoes or terrain. Tendons respond well to the right loading programme, but they usually do not respond well to complete rest followed by a return to normal training.
Shin splints
Shin splints, or medial tibial stress syndrome, tend to cause aching or tenderness along the inner edge of the shin. They are common in newer runners, people returning after a break, and runners who have increased volume quickly.
The main preventative factor is controlled progression. Hard surfaces, worn-out shoes and poor recovery can add to the problem, but the biggest factor is often overload. Calf strengthening, foot and ankle control work, and planned rest days are useful. If symptoms become localised to one sharp spot or pain starts affecting walking, it is important to rule out a stress injury rather than assuming it is only shin splints.
Plantar fasciopathy
Pain under the heel or along the arch, especially with the first few steps in the morning, often points to plantar fasciopathy. Runners commonly notice it after an increase in mileage, a period in less supportive footwear, or alongside calf tightness and reduced foot strength.
Prevention is not only about insoles. Managing load, improving calf capacity and strengthening the foot can all help. Some runners also benefit from reviewing whether daily footwear is contributing just as much as their running shoes. If heel pain is becoming persistent, early treatment is usually more effective than waiting for it to settle on its own.
IT band-related lateral knee pain
Pain on the outside of the knee that appears after a certain distance is often linked to the iliotibial band region. It is particularly common when runners add hills, increase long-run volume or return from time off without rebuilding strength.
Prevention usually means improving hip strength and pelvic control, then adjusting training load to let irritated tissues settle. Foam rolling may provide short-term relief for some people, but it rarely fixes the reason the pain started. Lasting improvement usually comes from changing the loading pattern, not just trying to loosen everything off.
How to reduce your injury risk
The best prevention plan is usually quite straightforward. Increase training gradually, keep at least one easy day between harder efforts, and respect changes in fatigue, sleep and stress. Your body does not separate training stress from life stress particularly well.
Strength training two times a week can make a real difference, especially for the calves, quadriceps, hamstrings and glutes. That does not mean you need long gym sessions. A targeted programme with the right exercises and progression is often enough.
Footwear matters, but it is not the whole story. The right shoe is the one that suits your foot, your training and your injury history – not simply the most cushioned or the most expensive. Rapid changes in shoe type can be as problematic as wearing an unsuitable pair for too long.
When to get assessed
If pain has lasted more than a week or two, keeps returning, or is affecting your gait, it is worth getting it assessed properly. Early intervention often shortens recovery time and reduces the risk of a smaller issue becoming a more stubborn one. At Physio Experts, runners are commonly assessed for load-related injuries, strength deficits, biomechanical factors and return-to-running planning, with treatment tailored to the individual rather than the label alone.
The goal is not simply to settle pain. It is to help you return to running with more confidence and less chance of the same problem coming back.