So I had this dream where there was a huge indoor facility with either a tile or wooden floor (can't remember) that was white all over the place. It had ramps that acted as hills, and corkscrew structures that runners would run up or down. There were split signs every mile or kilometer, and it felt warm like an indoor facility would for track. Some parts of the course would have as much space as a high school hallway. It seemed pretty fast and futuristic, I wonder if it will become a reality one day.