Running trails are designated paths or routes specifically designed for runners. They can be found in parks, forests, and natural areas, offering a variety of terrains such as dirt, gravel, or grass. These trails often provide a scenic environment, allowing runners to enjoy nature while exercising. Many running trails are marked with signs indicating distance and difficulty levels. Some trails may also feature elevation changes, which can enhance the workout experience. Popular running trails can be found in locations like national parks or urban green spaces, catering to both casual joggers and serious athletes.