Marathons are long-distance running races of over 26 miles and are great exercise!
Wow! thats cool! Ive been actually training for a marathon recently, DO you know if a marathon is on a flat road or are there any hills? 
I think they are generally flat, but the event was made to commemorate the run of Pheidippides, a Greek soldier who relayed the victory of the Battle of Marathon to Athens.
Oh ok, I just hope it wont be too hard, I can only run so much up a hill lol. What kinda age limit is there for a marathon i any?
distance did not become standardized until 1921. More than 800 marathons are held throughout the world each year, with the vast majority of competitors being recreational athletes, as larger marathons can have tens of thousands of participants.
History.
History Origin.
The name "Marathon" comes from the legend of Philippides (or Pheidippides), the Greek messenger. The legend states that he was sent from the battlefield of Marathon to Athens to announce that the Persians had been defeated in the Battle of Marathon (in which he had
Road running
Road running is the sport of running on a measured course over an established road (as opposed to track and field and cross country running).
These events are usually classified as long-distance according to athletics terminology, with races typically ranging from 5 kilometers to 42.2 kilometers in the marathon. They may involve large numbers of runners or wheelchair entrants. The three most common IAAF recognized distances for "road running" events are 10K runs, half marathons and marathons. Despite this, there are far