Post a long run with knee pain at kilometre three, I thought the issue was just mileage

https://lifestyle.kccrradio.com/story/303287/canada-approved-knee-osteoarthritis-implant-now-offered-in-toronto/

After a long run with knee pain at kilometre three, I thought the issue was just mileage, massage at session three gave me the first real sense that something else was tight.