The Boston Marathon is a famous marathon which is run every April in Boston, Massachusetts on Patriot's Day. The distance of the race is 26.2 miles or 26 miles and 385 yards. To participate, runners need to qualify ahead of time by getting a certain time on another marathon first. This time is different depending on how old the runner is. (Every year, some runners who do not qualify are allowed in by raising money for charity).
- "Explosions rock Boston Marathon, several injured". CNN. April 15, 2013. Retrieved April 15, 2013.
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