Running is one of the most accessible and effective forms of exercise, but it is also repetitive, and repetition is where injuries begin. The good news is that the vast majority of running injuries are overuse injuries, meaning they build up gradually from training errors rather than striking out of nowhere. That makes them largely preventable. Here are five of the most common running injuries and the habits that keep them at bay.
1. Runner's knee
Patellofemoral pain syndrome, commonly called runner's knee, produces a dull ache around or behind the kneecap, often worse when going down stairs or after sitting for a long time. It is frequently linked to weak hip and thigh muscles that fail to control how the knee tracks during each stride. Strengthening the glutes and quadriceps, along with avoiding sudden spikes in mileage, is the most effective defence.
2. Shin splints
Medial tibial stress syndrome, better known as shin splints, causes pain along the inner edge of the shin bone. It is especially common in beginners and in runners who increase their training load too quickly or run frequently on hard surfaces. Easing into running gradually, replacing worn-out shoes, and mixing in softer surfaces can help the lower leg adapt without becoming overloaded.
3. Achilles tendinopathy
The Achilles tendon connects the calf muscles to the heel and absorbs enormous force with every step. When overloaded, it can become painful and stiff, particularly in the morning or at the start of a run. Rapid increases in speed work and hill running are common triggers. Progressive calf-strengthening exercises, especially controlled heel drops, are widely used to build the tendon's resilience.
4. Plantar fasciitis
Plantar fasciitis is an irritation of the thick band of tissue along the bottom of the foot, causing sharp heel pain that is often worst with the first steps in the morning. Tight calves, sudden training increases, and unsupportive footwear all contribute. Calf and foot stretching, supportive shoes, and managing overall load are the mainstays of prevention.
5. IT band syndrome
The iliotibial band runs along the outside of the thigh from hip to knee. When irritated, it causes pain on the outer knee that typically appears at a consistent point in a run. Hip weakness and rapid mileage increases are common causes. Strengthening the hips and glutes and avoiding overtraining reduce the risk considerably.
The golden rules of injury prevention
Almost every injury above shares the same root cause: doing too much, too soon. A handful of consistent habits dramatically lowers your risk.
- Increase gradually. Build your weekly mileage slowly rather than in big jumps, and include easy weeks.
- Prioritise recovery. Take rest days, sleep well, and do not train through sharp or worsening pain.
- Strength train. Two short sessions a week focused on hips, glutes, and calves protect the joints running stresses most.
- Warm up. Start runs easy and consider dynamic movements to prepare muscles and tendons.
- Replace your shoes. Running shoes lose cushioning over time; worn shoes are a hidden cause of many injuries.
When to seek help
Mild aches that fade quickly are part of training, but some signals warrant professional attention. See a doctor or physiotherapist if pain is sharp, worsens during a run, causes you to limp, or persists for more than a week or two despite rest. Early treatment usually means a faster return to running, whereas pushing through can turn a minor niggle into a long layoff.
Consistency beats intensity
The runners who stay healthiest over the years are rarely the ones who train hardest in any single week. They are the ones who train consistently, respect recovery, and resist the urge to do too much when motivation is high. Treat injury prevention as part of your training rather than an afterthought, and running can remain a lifelong habit rather than a series of frustrating stops and starts.
This article is for general information only and is not a substitute for professional medical, coaching, or nutritional advice. Talk to a qualified professional before starting a new exercise or diet program.