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Extreme fitness
OutdoorTrail Running

What to do if your knees hurt when trail or ultra running

  • Runner’s knee is a common problem and patience is usually the best remedy, either in treatment or training

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Knee pain is common among runners, and while it can be caused by many different issues, the fix is often the same. Photo: Shutterstock
Mark Agnew

Pain in your knees when you run is common and can mean many different things. But the solutions are often the same.

So heed advice and make sure you do not make it worse and end up unable to run for months.

What is runner’s knee?

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Runner’s knee generically refers to knee pain but it can mean one of many things. If your IT band, the fascia running up the outside your leg, is inflamed it could be pulling on the outside your knee.

Runner’s knee can result from many issues, including overuse or a ligament tear. Photo: Tory Ho
Runner’s knee can result from many issues, including overuse or a ligament tear. Photo: Tory Ho
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Perhaps you have tendinitis, and the tendons in your knee are inflamed. Runner’s knee could be torn cartilage or an ACL, both of which are more serious and require medical attention.

It can mean a host of other things, too. If the pain is acute or does not go away, seek professional advice.

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