What is a "long ride"?

Below is an example of my hydration and food for the Almanzo 100. I left some beef and apricots in the car for the drive home (not in pic - mini can of Coke). The Almanzo 100 is a self-supported 100-mile gravel race/ride. There are 3 check points on the course that are stocked with water and food for riders, I typically stop once to refill water. I avoid most of the food/drink at check points because my gut is really picky. I err on the side of too much food to allow myself variety and to share if somebody's short on calories. The 'right' foods will vary from rider-to-rider and based on the conditions (hot vs cold day).