Not everyone that wants to run long distance tracks wants to run a marathon; most just want to be healthier. Some people just want to run for miles without being totally exhausted at the end. Others just like the idea of being so fit that running is second nature. For all of these people, they are a number of easy ways to run longer, more effectively that not only add to their endurance but also make the run more enjoyable; it is just a matter of finding out which specific tricks work and employing them on a regular basis. These tricks break down to training, distracting, and meditating.
In order to run a long distance you obviously need to have the right body. Fortunately, you can create that body. The first thing you need to realize is that everyone who can run those distances did not run out of the womb already being gifted with the ability to run long distance records; they had to pick the ability up from somewhere. They had to train. Because of that, it means that almost every able-bodied person can pick up the ability as well. It is just a matter of picking up the right habits and preparing for those distances; this is something anyone can do. Once you break through that barrier the rest is just a matter of getting yourself to the track.
This means that you will need to put in a lot of time running. Make sure that you stretch before a run; you do not want to pull a muscle or you could injure yourself not only due to the muscle tearing itself, but also the fall. You also want to carry your own water with you; while this is not as mandatory when you are running less than a mile or so, you will find it more necessary when you run long distance paths. Keep in mind that this will mean some severely sore muscles, especially at the beginning, as your muscles are literally torn down and rebuilt. Lastly, do not expect to be running marathons overnight; the training will take months and that should be seen as fine.
When you do start training, you will want to start small, usually about a half-mile. As you feel more comfortable increase the distance. Keep in mind that while you will be losing weight you may not be gaining obvious muscle mass; runners tend to be leaner than other athletes, even in the legs. You are training for endurance not lifting mass after all. You may want to shift the exercises up, and do a day of sprints every other day rather than straight distance, especially at the beginning. You should be able to run long distance in about a month or two if you keep at it.
There are two basic approaches to ensuring that you run long distance paths: keeping busy and meditating. Some people prefer to become one with the moment and lose themselves in the run; it is easier for them to run long distance because of the time pass for them without notice. While it may seem weird to be meditating on the run, the same basics apply: You have a way to keep and establish a rhythm, it is a relatively repetitive situation, and it is easy to clear your mind and get lost in what you are doing. By establishing a rhythm you can thus find peace of mind even in the most stressful of situations, and run a long distance without even really noticing it.
For some people, meditation just does not work and so they require any number of distractions. For these people, it is useful to load up on songs, podcasts, and even spoken books before a run. They then play these as they go. Others find companions to run long distance with them not only for the conversation but also to keep them doing it; such people find that running is a lonely sport as those companions almost invariably find something else to do; running is not for everyone and not everyone is able to maintain interest for long so this should not be seen as necessarily bad. Ultimately works should be encouraged.
However, once you know the pat, h you can do something that will make running long distance easier, the soundtrack. You should be able to break down a given trail based on the inclination, with uphill areas being tougher and downhill areas being a little easier. Once you know how long it takes for you to run those areas, you can find music to help through those areas, with slower music being useful for the uphill climbs and faster for the downhill slopes.
It may take time but you will be able to run long distance areas with no problem eventually. Just remember to keep safe, know the path, and be ready with snacks at the end of the run and you should do great. Just keep plugging away and you will do great!