Basically, this character is injured as a young man, and then many years later is still unable to run very well. I want him to be able to walk, preferably without a cane or other device, but have him be unable to run (or just be slower).
Judging from the info you all shared on my last post, having him lose some toes might not be enough. So I'm looking for an additional (or different) injury. I've tried "difficulty running," "injury", etc, but I'm not sure how to narrow down my search considering I'm looking for some pretty specific effects.
This is a fantasy setting without modern medicine. The character isn't human, though, and doesn't suffer from infections.
Ideally, the character would be injured while escaping (barefoot) through some fairly punishing wilderness. He could be injured by his pursuers or through an accident.
Edit: Thank you, everyone! I might go with the most popular suggestion and make it a knee injury, although I still welcome any different suggestions. Choice is good. :)