No insult intended, but is this your first implement with runners? I own/have owned several, and very few of them are intended to actually run on the ground. Now I'm not talkin' sled here, that's a different concept. But implement runners are typically intended to protect the sheet metal to which they're attached - from damage that might result if/when you encounter a dip or rise that causes one side of the implement hit the ground.
My recommendation is to remove the damaged runners, straighten the sheet metal out as best you can, install new runners, then review the owner manual about the operating height.
//greg//