A half marathon is a 13.1-mile race that requires an immense investment of time, energy and research regarding the correct training regimen and nutrition. Nutrition leading up to the race has its own set of rules, and after the race, particular foods improve immediate and longer-term recovery.

Runners may need to verify or determine the distance of a running track. Running tracks are oval-shaped and divided into individual lanes. The track is measured in meters based on the distance of the innermost lane, which is called lane one. Measuring the distance around the track is easy with a little preparation.

Running a half-marathon is quite an accomplishment; one that requires discipline, dedication and rigorous training. Providing your body with the proper fuel is essential for you to perform your best on race day.

Metaphorically, whether running long distances might slow down sprinters can be compared to entering the same car in an endurance race and a drag race. The two types of racing require different engine setups and gearing. Long-distance running and sprinting require a different type of human engine and gearing as well.

Spectators at the finish of a marathon can watch a long line of runners, draped in shiny silver blankets as they make their way through the finishing area. Some of the runners are walking slowly, some are limping, some look bewildered and some are trying to peel a banana. After running 26.

Half marathons are challenging runs. There are usually more runners registered in a half marathon, and many participants try to run faster than the full marathon pace. Running for 13.1 miles is stressful on the muscles and joints.

Running 13.1 miles, or a half-marathon, is an incredible accomplishment. It takes weeks or months of training, hard work and strain on the body.

After running a marathon, you may feel like celebrating — but your muscles may put you out of commission. Even if you've trained and prepared for running a long distance, your muscles may feel sore. Muscle soreness is completely normal, and may start a day or two after running.

Improving your running endurance as quickly as possible requires a combination of traditional endurance training and explosive, high-intensity training.