How do I earn a World Walking Bronze, Silver or Gold medal?

Medals are awarded when you complete a walk. The medal awarded depends on the length of the walk you complete:

Bronze Medal: Walks less than or equal to 399 kilometers

Silver Medal:   Walks greater than or equal to 400 kilometers and less than or equal to 1,999 kilometers

Gold Medal:     Walks greater than or equal to 2,000 kilometers