This score ranks the peak in terms of how much running is involved. Assume the runner is a middle-of-the-pack trail runner.
1- mostly runnable. 80-100% of the route can be run
2- 60-80% of the route can be run
3- 40-60% of the route can be run
4- 20-40% of the route can be run
5- minimal running. 0-20% of the route can be run