Why Does the Side of My Hip Hurt After Running?

Pain on the outside of your hip after running is most often greater trochanteric pain syndrome (GTPS) — an umbrella term that covers gluteal tendinopathy and trochanteric bursitis. Gluteal tendinopathy, a breakdown in the tendons of the gluteus medius and minimus where they attach near the bony point of your hip, is now considered a leading cause of this pain in runners, more so than bursitis alone.

The two conditions overlap and often get lumped together because they sit in the same spot and hurt in similar ways: a sharp or aching pain over the bony prominence on the side of your hip (the greater trochanter), sometimes radiating down the outer thigh. It's usually worse when lying on that side at night, going up stairs, or during the later miles of a run.

What causes lateral hip pain in runners?

Three mechanisms show up again and again in the research and in clinic: tendon overload, direct compression, and altered running mechanics.

It's worth being honest here: research on running form and injury is mixed. Form differences are associated with lateral hip pain in observational studies, but that doesn't prove a single "bad" pattern causes it for every runner. Treat mechanics as one modifiable piece of the picture, not a diagnosis.

What is hip drop, and why does it matter?

Hip drop (sometimes called contralateral pelvic drop) is what happens when your pelvis tilts down on the side of your swing leg while you're standing on the other leg. A small amount is normal in every runner's gait. The concern is excessive or asymmetric drop, which increases when the hip abductor muscles — mainly gluteus medius — aren't strong or fatigue-resistant enough to hold the pelvis level.

When the pelvis drops more than it should, the femur tends to shift into adduction (moving toward the midline) and internal rotation. That combination increases both tensile load on the gluteal tendons and compressive load where the IT band crosses the greater trochanter — the exact mechanism thought to aggravate GTPS. Weak or under-conditioned abductors are consistently linked to greater hip drop in gait studies, which is why glute strength work is central to almost every rehab plan for this condition.

Is cross-over gait linked to hip pain?

Cross-over gait describes a running pattern where your feet land close to or across your body's midline, rather than under your hips, so your footprints look like they're on a single line instead of two parallel tracks. It's related to, but not identical to, hip drop.

A pronounced cross-over pattern tends to increase hip adduction during stance, which again raises IT band tension and compressive load at the hip. It's also frequently discussed alongside IT band syndrome and some patterns of knee pain — if you notice pain at a consistent spot on the knee as well as the hip, it's worth reading about knee pain that shows up at the same point every run, since the underlying mechanics can overlap.

Cross-over gait is easier to see on video than to feel while running, which is one of the few things a simple side-on or rear-on phone recording can actually help with — you can watch whether your feet track under your hips or drift toward the centerline. A phone video is not a substitute for a gait lab, but it can flag an obvious cross-over pattern worth mentioning to a physio.

How do you treat and reduce lateral hip pain?

Management of gluteal tendinopathy and trochanteric bursitis centers on load management and progressive strengthening, not rest alone. Tendons respond to graded loading; complete rest often leads to pain returning as soon as running resumes, while too much too soon flares symptoms.

A general (not individualized medical) outline looks something like this:

Phase Approximate timeline Focus
Calm down Weeks 1–2 Reduce aggravating positions (deep hip stretches, sitting cross-legged, sleeping on the painful side); isometric hip abductor holds; short, easy runs or cross-training if tolerated
Build capacity Weeks 3–6 Progressive glute medius/minimus strengthening (side-lying abduction, single-leg bridges, banded lateral walks); reintroduce running volume gradually
Load and return Weeks 7–12+ Heavier resistance work, hill and tempo reintroduction, gait pattern check for hip drop/cross-over; full return to prior training load

Tendon tissue adapts slowly. Gluteal tendinopathy rehab commonly spans 12 weeks or more before symptoms are well-controlled, and some clinical follow-up studies track runners for several months to a year to confirm the improvement holds. If you're impatient with that timeline, you're not alone — but rushing tendon loading is one of the more common reasons this pain becomes recurrent.

Strengthening exercises that consistently show up in the research include single-leg bridges, side-lying hip abduction, clamshells with resistance, and step-downs — all targeting the gluteus medius and minimus specifically, since these are the muscles that control hip drop during running.

Cadence — your steps per minute — is one of the few things a single phone video can measure with reasonable reliability, and a modest cadence increase (often discussed in the 5–10% range) is sometimes used clinically to reduce hip and knee loading per stride, though evidence that this alone prevents lateral hip pain is limited. An app like StrideIQ can give you a quick, phone-based check of cadence and general form patterns like cross-over gait, which is useful for spotting things to bring up with a physio — it isn't a diagnostic tool and doesn't replace an in-person assessment.

If you're also dealing with unrelated but common runner complaints — morning Achilles stiffness, recurring blisters, or shin splints as you return to running — those are usually separate issues, but they're worth ruling in or out so you're not trying to fix five things through one lens.

What can form analysis NOT tell you?

A phone video, whether reviewed by an app or a coach, can reasonably estimate cadence and can often flag an obvious cross-over gait or visible pelvic drop. It cannot reliably measure ground contact time, vertical oscillation, or true joint angles — those need high-speed or multi-camera capture to be trustworthy, and a single side-view phone clip will give you a rough estimate at best, not a lab-grade number.

More importantly, video can't tell you whether your pain is gluteal tendinopathy, bursitis, a labral issue, referred pain from the lower back, or something else entirely. Lateral hip pain has several possible causes that look and feel similar but need different management. If pain has lasted more than two weeks, is worsening, wakes you at night, or comes with numbness, tingling, or weakness, see a physiotherapist or sports medicine doctor for a proper assessment before building a self-directed rehab plan. This article is general information, not a diagnosis or treatment plan, and strengthening programs should ideally be tailored to what an in-person exam finds.

Frequently Asked Questions

Why does the side of my hip hurt after running but not during?

Tendon and bursa irritation often builds gradually and can settle enough during a run's warm-up that pain appears afterward or the next morning, once the tissue cools down and inflammation catches up. This delayed pattern is common in gluteal tendinopathy and doesn't mean the injury is minor.

Is trochanteric bursitis the same as gluteal tendinopathy?

They're related but not identical. Both fall under greater trochanteric pain syndrome and cause pain in the same spot, but gluteal tendinopathy involves the tendon itself and is now considered the more common underlying issue, while bursitis involves inflammation of the fluid-filled sac that cushions the tendon.

Can I keep running with lateral hip pain?

Many runners can continue at a reduced volume or intensity while starting strengthening work, but this depends on how irritable the tissue is. If pain is sharp, worsening, or affecting your gait, get assessed by a physio before deciding on a running plan.

How long does gluteal tendinopathy take to heal?

Rehab timelines commonly span 12 weeks or more, with some clinical follow-up extending to several months or a year to confirm the improvement holds. Recovery speed varies by how long symptoms were present before treatment started.

Does hip strengthening actually prevent this from coming back?

Strengthening the hip abductors, particularly the gluteus medius, is a core part of most rehab and prevention programs because it addresses hip drop, one of the mechanical factors linked to overload. It reduces risk but doesn't guarantee prevention, since load management and running volume also matter.

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