Define Running The Marathon Meaning

to leave a group of people at random times to masturbate, then come back out of breath and play it off like nothing happened

When you become extreamly intoxicated off of captin morgan and passes out in someones trailer. Then that person is awoken by his friends 3 hours later and goes snowboarding. This is know as Running a Marathon

A female with an exceptionally nice ass.

Derived from the term "its a tight race".