How is stress fracture different in runners?

Running repeatedly transfers force through the feet, shins, knees, hips and pelvis. A sudden increase in distance, speed, hills or training days can leave less time for bone to adapt. Changes in shoes, surface, technique, nutrition, sleep or recovery may also matter.

Pain is often localised rather than spread across a whole muscle. It may begin during a run, appear earlier as loading continues, or remain after activity. Hopping or pressing the area can be painful, but self-testing cannot confirm the diagnosis and may irritate the bone.

Stop running through focused bone pain and arrange a clinical assessment. Use only the weight-bearing level advised for you; some injuries need a temporary reduction in impact or support while healing. Keep a record of the painful location, recent training changes and pain at rest.

Return to running should be gradual and based on symptoms, examination and any recommended imaging. Cross-training may be suitable for some people, but it should not reproduce the pain or replace medical advice about loading.

Seek urgent assessment if you cannot bear weight, have severe or rapidly worsening pain, marked swelling, a visible deformity, numbness or a cold or pale foot. Seek prompt review for pain at rest or at night, or pain that persists after stopping impact activity.

Ask: Which bone and type of stress injury are suspected? Do I need imaging? How much weight can I place through the limb? Which activities are safe now? What signs show healing, and how should distance, pace and hills be reintroduced? Could training, nutrition or recovery factors be contributing?