Dog Run... Construction Advice

I have a dog

I built my dog a nice dog run.

It's a very large rectangle.... well, one end is a little narrower than the other.

Strong suggestion if you are going to build one. Make it so one end is MUCH narrower than the other.

When (and it WILL happen) your dog absolutely refuses to come to you or do anything you want him to do, you have to catch him. This is where the "run" part of "dog run" comes in.
I do, upon occasion, seem to get more exercise than other times.

My dog is VERY fast and can laugh while running at full speed.

It sort of works, sometimes, if I sit down and point at the ground and tell him to get his furry butt over HERE right NOW. I'm doing a little better than 50% at that so "it sort of works".

I know he can hear me because I cleaned his ears this morning and when I call him he looks at me with a "yeah, sure.... like that's going to happen!" look that is unmistakable. He then goes back to chewing whatever he has which may be anything from an actual chew toy to most anything at all including rocks. I can't even try to explain that part.

Regards,
WebMouse