Trail running is a variant on running that diverge distinctly from road running. It basically takes place on hiking trails, usually on single track trails, even though fire roads are not unusual. A distinct feature of the trails is that they are regularly inaccessible by major roads but of the trail heads. The trails have the tendency to cross different terrains such as swamps, hills, forests and narrow pathways, thus a different type of running shoes are needed.
The first thing you need to do is to find a trail running shoe that has a stronger and more durable, bent sole which will help you to gain more footing on rocks and mud. The sole should also efficiently be shock proof, from running on hard and rocky surfaces, such as pebbles, mud and rocks.