In Germany, the most well-liked particular person sport activities are cycling and running . Since the data on working segments in rural areas and nature parks is too sparse for use, we concentrated our efforts on biking segments. For each pattern city, we selected and downloaded two biking segments, resulting in 30 examined city segments. We only selected segments with excessive user frequency with more than 1500 makes an attempt and more than 350 users reporting an try. Other requirements have been for the section to move alongside or cross a physique of water or park to qualify it as a green area, to have a minimal size of 500 meters and a comparable imply depend of attempts per person. Furthermore, we excluded segments used for any kind of event, e.g. a city run.