Our rides have 3 designations: expected pace, distance, and terrain. Pace is designated A - D, with A being the fasted and D being the slowest. Terrain is designated 1 - 5, with 1 being the flattest and 5 being the hilliest.
Pace
Terrain
For example, a ride rated B57-Terrain4 would be a 57 mile ride with significant hills, which will be led at a pace between 13-18 miles per hour.