1.5 Million Walks, Runs, and Bike Rides

June 20 2014byGarrett Miller

This is what 1.5 million walks, runs, and bike rides look like. The colors of the tracks denote route length, glowing white hot in the places where athletes most often travel. Longer routes over 20 miles render yellow, while shorter workouts range from cool blues to hot pink.

Eric Fischer worked with the RunKeeper team to composite an entire planet's worth of publicly-shared routes on an adjusted Mapbox Outdoors terrain layer.