Hip pain is one of the most common complaints that pulls runners out of training — and at the same time one of the least well understood. “Sciatica”, “hip bursitis”, “it's coming from your back”: plenty of labels, few clear answers. The problem is that the hip region is a junction of muscles, tendons, bursae and joint structures that all produce similar pain patterns. This article sorts the causes by pain location, shows the exercises that actually have evidence behind them, and flags the signals that mean you must not keep running.

Why the hip becomes a problem so often in running

Every running stride puts roughly two to three times body weight through the hip joint surface, and even more through the tendon attachments at the pelvis. A 10-kilometre run means several thousand individual load cycles — each of which has to be absorbed by the gluteal muscle and its tendons. That is exactly where the weak point sits.

The gluteus medius and gluteus minimus keep the pelvis level on every stride. They work eccentrically when running, i.e. braking, and they work asymmetrically: the stance leg carries the full body weight while the swing leg disturbs the balance. At 60 kilometres per week, that adds up to more than 30,000 load cycles per side per week.

The second half of the problem lies in the anatomy of the region: the hip flexor (iliopsoas) runs across the joint, the gluteal tendons pass over the greater trochanter, and the bursa sits directly underneath. Irritate any one of these structures and you will often describe the pain as “somewhere at the front of the groin” or “on the outside of the hip” — without knowing what is actually affected. That is precisely why the location of the pain is the most important first clue.

The six most common causes at a glance

1. Gluteal tendinopathy (formerly called “trochanteric bursitis”)

The classic: pain on the outside of the hip, directly over the greater trochanter, often on the side you sleep on. The tendons of the gluteus medius and minimus are overloaded, frequently accompanied by irritation of the bursa beneath them. Typical for female runners over 40 and for runners who have suddenly increased their volume. Imaging studies showed that the tendon change — not the bursa — is the actual problem, which is why the diagnosis is now called gluteal tendinopathy. Important: the treatment is not rest but dosed loading plus strength building. Background in strength training for runners.

2. Hip flexor tendinopathy and iliopsoas irritation

Pain in the groin that increases when lifting the knee, climbing stairs and during fast strides — often after sprints, uphill sections or too much sitting combined with an excessive training load. The iliopsoas is active during the swing phase in running and decelerates it; overloaded by frequent pace changes, its tendon attachment at the lesser trochanter becomes inflamed.

3. Femoral neck stress fracture

The most dangerous cause — and the only one where continuing to run is genuinely hazardous. Symptoms: dull, deep pain in the groin or front of the thigh that worsens with running, night pain and pain on weight bearing. With continued loading this fracture can displace completely and then requires surgery with a long layoff. Risk factors are a rapid volume increase, low bone density, a disrupted menstrual cycle and insufficient energy intake — the condition is called RED-S. If groin pain gets worse rather than better with loading, the rule is: get it assessed immediately, do not run through it.

4. Femoroacetabular impingement (FAI) and labral tear

Groin pain in deep sitting, in a squat, when getting into a car — and in running especially at the end range of hip extension. In FAI the femoral head abuts the rim of the acetabulum because the joint head or socket has a different shape from the norm. The labrum, a fibrous ring that seals the socket, often tears in the process. Both are more a mechanical than a training problem — diagnosis runs through X-ray and MRI, treatment through physiotherapy that specifically improves hip musculature and movement control.

5. Ischiogluteal irritation and piriformis syndrome

Pain at the back of the buttock that worsens with prolonged sitting and sometimes radiates into the thigh. The piriformis runs from the sacrum to the greater trochanter and lies close to the sciatic nerve — when irritated it produces a feeling often wrongly labelled “sciatica”. True nerve compression is rare; most of the time it is a muscular-fascial overload after long periods of sitting plus a training increase.

6. Overload of the hip abductors and deep external rotators

A diffuse, poorly localisable pain in the gluteal area, appearing especially on long runs and after a volume peak. The cause is usually a combination of gluteal weakness and compensated running posture: the pelvis drops towards the opposite side on every stride and the hip abductors work against an overload they can no longer hold.

Pain location as your guide

Before you google or stretch anything: point with your finger to the exact spot that hurts. Location is diagnostically more valuable than intensity.

  • Outside of the hip, over the greater trochanter: points to gluteal tendinopathy and bursal irritation — the most common constellation in runners.
  • Front of the groin, deep: hip flexor, labrum or FAI — and, if in doubt, a stress fracture. Always have this region medically assessed.
  • Back of the buttock, with pain on sitting: piriformis and ischiogluteal structures.
  • Diffuse across the buttock, only when running: muscular overload of the abductors and external rotators.
  • Radiating below the knee or into the foot: nerve involvement — this needs a medical examination.

The time course matters too. Pain only during running, which “runs itself in” after a few minutes and then disappears, fits a muscular irritation. Pain that increases steadily through the session and lingers for hours afterwards points to structural overload with an inflammatory component. And pain present in every daily movement — stairs, getting in the car, putting on socks — has crossed the line into needing medical assessment.

What gait analysis shows — and what it does not

When runners with hip problems come for a gait analysis, the result is usually easy to predict: a pelvis that drops towards the swing side during stance (Trendelenburg sign), a knee falling inwards and a foot that pronates heavily during swing. These patterns are a good indicator of hip abductor weakness — but they are not a diagnosis.

The reason: retrospective studies mostly find no clear kinematic differences between runners with hip pain and healthy runners. Two other variables correlate far more strongly with complaints: the rate of volume increase and the strength of the hip musculature. Isometric strength tests in runners with gluteal tendinopathy show reproducibly weaker values than in controls. That — not shoe choice and not foot strike — is where the lever sits. More on the method in gait analysis for runners and foot strike in running.

The five exercises that have evidence

The principle of exercise therapy for almost all hip overload injuries is the same: whatever is too weak must become stronger — dosed, progressive, two to three times per week. None of the following replaces a medical diagnosis, but they address exactly the structure that most often becomes the limiting link in runners.

  • Side-lying leg lift: lying on your side, raise the upper, straight leg slowly, hold briefly at the top, lower over three seconds. Three sets of 10 to 15 reps per side. Trains the gluteus medius directly in the function in which it fails during running.
  • Clamshells with a band: side-lying, knees bent, open the upper knee upwards against mini-band resistance. Two to three sets of 12 to 15 reps. Targets the external rotators that stabilise the foot during stance.
  • Barbell hip thrust: shoulder blades on a bench, bar over the hips, drive up with tension in glutes and core, hold two seconds at the top. Three to four sets of 8 to 12 reps. The highest measured gluteal activation and therefore the best strength stimulus for hip extension.
  • Step-up onto a box: step up onto a 40 to 50 centimetre box with one leg, controlled, no momentum, lower under control. Three sets of 8 reps per side. Combines strength building with the balance control demanded by stair climbing and running — and doubles as a good test: if the affected leg is noticeably weaker, you have localised the cause.
  • Single-leg bridge: supine, one foot on the floor, the other leg extended, lift the hips, hold and keep the pelvis level. Three sets of 10 reps per side. Trains exactly the stability that stops the pelvis dropping during the stride.

Two mobilisation drills complete the picture: controlled hip capsule mobilisation in a quadruped position, and the 90/90 sit switch for internal and external rotation. Both belong in the warm-up, not in a stretching routine — and neither may provoke pain in the hip joint. With groin or joint pain, do not go into the end position. Firm static stretches into hip flexion or external rotation are often counterproductive in an acute tendinopathy. More in mobility for runners and stretching for runners.

Adjust your running, don't stop it

Complete rest is rarely the best route — it costs fitness and lets the musculature break down further. A stepwise adjustment that makes pain-freedom the control variable is more sensible. Practical approach:

  • Pain up to 3 out of 10 and settled by the next day: continue the volume, but no speed work and no hills. This is the “tolerable zone” where tissue can adapt.
  • Pain above 3 out of 10 or worse the following day: halve the volume of the next session and drop the intensity to easy.
  • Groin or night pain: no running. Immediate medical assessment, because a stress fracture has to be ruled out.
  • Loading alternatives: cycling, aqua jogging and the elliptical keep the aerobic base without irritating the hip tendons under running load.

Twice-weekly strength training during a hip complaint is not an add-on but the core of the solution. This is exactly where Peakora's planning comes in: the ACWR and the load balance from TSS, CTL and ATL show you whether your current week exceeds what your tissue can tolerate. If the numbers run away upwards over several weeks while the hip is complaining, the order is clear: stabilise volume first, then build strength, then increase again.

Prevention: the three levers

Most hip problems in runners are not the result of a single mistake but of a combination. Three levers cover the majority.

Rate of progression. Volume and intensity must not grow at the same time, and volume no faster than roughly ten percent per week — measured against the rolling four-week average, not the peak week. Anyone who wants to return to their old level within two weeks after a break provokes exactly the onset complaints they want to avoid. Details in increasing training volume.

Strength and stability. Two strength sessions per week, at least one of them with single-leg exercises, is a robust protective level. Studies on injury prevention show the strongest effects in precisely this combination of strength plus neuromuscular control. See injury prevention for runners and strength training for runners.

Recovery and daily life. Hip problems rarely hit runners who sleep enough and have a moderate daily load. Long periods of sitting shorten the hip flexors and dampen gluteal activation — three five-minute movement breaks a day are more effective than any stretching routine in the evening. On recovery control: HRV and sleep and endurance performance.

Frequently asked questions about hip pain when running

Why does my hip hurt when I run?

Most often it is an overload of the gluteal muscles and their tendons: gluteal tendinopathy, an irritated hip flexor or overloaded hip abductors. Less commonly it is a labral tear, femoroacetabular impingement or a femoral neck stress fracture — those need medical assessment.

Hip pain when running — when should I see a doctor?

See a doctor for groin pain, night pain, limping or pain on stair climbing — and always if symptoms have not settled after two weeks of unloading. A femoral neck stress fracture is an emergency scenario: never run through it.

Which exercises help with hip pain when running?

Targeted strength work for the glutes and hip abductors helps most: side-lying leg lifts, clamshells, hip thrusts, step-ups and single-leg bridges, two to three times per week, slow and controlled. Add hip capsule mobilisation — but never into pain.

Can I keep running with hip pain?

With mild, clearly localised symptoms reduced volume is often possible, as long as pain stays below 3 out of 10 and settles by the next day. With groin or night pain the rule is: do not keep running, get it assessed first.

How Peakora handles hip complaints

Peakora does not build your plan from templates but from your own load history: the ACWR detects when your week exceeds what your last four weeks have trained and reduces automatically. If you log an injury, the engine carries that into the plan and suggests alternatives — bike, aqua jogging, strength — instead of pushing sessions through regardless. The terminology around load management is in the training glossary (German), and the wider framework for returning to running on the marathon training guide (German).

Train with a plan, not with pain

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