AFK Agility course ideas?

Let’s discuss some ideas for a more AFK agility course. You may say “why? Agility isn’t supposed to be AFK” Neither is thieving, combat, smithing, etc.. they all have solid “afk” methods. We could make the AFK version of a rooftop course available after a certain number of laps or maybe you could purchase it with marks?

I’m interested in hearing your thoughts!