I understood the running task as being through actual (i.e. populated) city streets; either a real city or a mockup built out of harm's way. This would require

I understood the running task as being through actual (i.e. populated) city streets; either a real city or a mockup built out of harm's way. This would require real-time object detection and avoidance, following signs/social conventions/etc., complex route-planning, avoid people/cars/etc., predicting the movements of others, predicting how others will predict your predictions, etc.