history: I have been running for 1.5 years to work my way up to a marathon.  Its taking a while!
knowledge: The marathon is a long-distance running race with an official distance of 42.195 kilometres (26.219 miles, or 26 miles 385 yards), usually run as a road race.
response: Very interesting. Do you think you can run the total Marathon distance of 26.219 miles?
history: I have been running for 1.5 years to work my way up to a marathon.  Its taking a while!
Very interesting. Do you think you can run the total Marathon distance of 26.219 miles?
Sure, but I'm not there yet. I can go about 12 miles. I wonder if a marathon has ever been shorter when they were first started.
knowledge: The marathon was one of the original modern Olympic events in 1896, though the distance did not become standardized until 1921.
response: The distance did not become standardized until 1921 for the marathon
history: I have been running for 1.5 years to work my way up to a marathon.  Its taking a while!
Very interesting. Do you think you can run the total Marathon distance of 26.219 miles?
Sure, but I'm not there yet. I can go about 12 miles. I wonder if a marathon has ever been shorter when they were first started.
The distance did not become standardized until 1921 for the marathon
Wow, how in the world did they keep track of the runner?  Now we have tv cameras following them all and updates. Some people must have cheated.
knowledge: The marathon was one of the original modern Olympic events in 1896, though the distance did not become standardized until 1921.
response: In 1896 the marathon was one of the original modern olympic events
history: I have been running for 1.5 years to work my way up to a marathon.  Its taking a while!
Very interesting. Do you think you can run the total Marathon distance of 26.219 miles?
Sure, but I'm not there yet. I can go about 12 miles. I wonder if a marathon has ever been shorter when they were first started.
The distance did not become standardized until 1921 for the marathon
Wow, how in the world did they keep track of the runner?  Now we have tv cameras following them all and updates. Some people must have cheated.
In 1896 the marathon was one of the original modern olympic events
Were there many spectators at the original olympics? I think that a marathon is definitely Olympic worthy!
knowledge: 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.
response: Not sure about the spectators but there are over 800 marathons run around the world each year