Now this is just an idea so I'm not telling anyone to make this, it's just an idea. So I love the obstacle course arena in DSL. The only problem is, AI could never run it. I always thought a race could have been fun but they all just decide to attack the robot closest to it. So I did a quick sketch on an obstacle course arena which could be compatible with AI'ed bots.

(Sorry for poor MS Paint skills)
So there's the obstacles:
Brown rectangles- crates
Grey rectangles- concrete blocks
Green circles- barrels
long grey rectangle- seesaw ramp
black squares- pits
grey circles-speed bumps
And you maybe asking, how does this help AI. Well you see that box that has the robot inside, well the robot on the course will drive towards the robot in the box. The box will be big enough so when the timer starts the bot can move around and make sure it's not imobilized. When the bot on the course gets to the end of it, there will be some kind of hazard that is activated to destroy the bot in the box.
So that's my idea. Tell me what you think of it, and remember, it's just an idea.