A marathon is exactly 26 miles and 385 yards because that happened to be the length of the 1908 London Olympic marathon, not because it is the distance between Marathon and Athens, which is approximately 25 miles.
Trivia.com
Meme.com

Definition.com
A Marathon is just four 10Ks. Ok, fine, it's an additional 1.4 miles, but who can't run an additional 1.4 miles?
One-Liner.com
I was aiming for 3 hours but only just missed itI made it in 3 hrs 150 minutes
One-Liner.com
I ran a half marathon sounds so much better than "I quit halfway through a marathon"
Meme.com

Dad Joke.com
Why couldn't the orange finish the marathon?It ran out of juice
Definition.com
Marathon is unique in that the world's best racers are on the same course, at the same time, as amateurs, who have as much chance of winning as your average weekend warrior would scoring a touchdown in the NFL.
Definition.com
A Marathon is a bunch of white people chasing a handful of Kenyans through city streets.
Meme.com

Definition.com
A Marathon is an event in which everyone hits the Wall. You can’t run around it, only through it.
See also
.com