Marathon’s consist of running/jogging/sprinting long distances, so first off it would be a good idea to increase stamina, which would be done by jogging everyday, increasing your distance everyday. Stretch your calf muscles upper leg muscles to avoid cramps while running too.
Medicare is a federal system of health insurance for people over 65 years of age and for certain younger people with disabilities.
Medicaid is a federal system of health insurance for those requiring financial assistance.