Part 1 - Incline
1. Very small hills or very little stair climbing. Probably suitable to strollers and wheelchairs. Elevation gain from start point: up to 500 feet.
2. Some moderate hills and stair climbing. Probably suitable for strollers. Elevation gain from start point: 500-1500 feet.
3. Some significant hills or stair climbing. Elevation gain from start point: 1500-2500 feet.
4. Lots of significant hills or stair climbing. Elevation gain from start point: 2500-3500 feet.
5. Many steep hills. Elevation gain from start point: more than 3500 feet.
Part 2 - Terrain
A. Almost entirely on pavement. Probably suitable for strollers and wheelchairs.
B. A significant part of the route is on well-groomed trails with very few obstacles.
C. A significant part of the route is on somewhat difficult terrain (rocky/footed paths or sand.)
D. A significant part of the route is on very difficult terrain.
E. The majority of the route is on very difficult terrain.