there is no real question here if you need help you need to post an actual question.
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.
I am really really good and intelligent. I am currently fine.
B, A, C because the people are at the tournaments for a reason. The students next because they most likely like sports and last the department store