Is it your first time to run a marathon? No matter if it is just 5K or 10K you need to train before running your first marathon to avoid injury or complications.
Establish a solid fitness base. From a recommended 15 to 20 miles a week, gradually build to a peak mileage range of 30 to 40 miles.
Minimize the stress on your body by doing other sports, such as swimming or biking, especially after a long or hard run.
Practice the hard/easy principle. Intersperse stress and rest by taking days off to recover and adapt to marathon training.
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