Definition of "marathon" []

• Sports A cross-country footrace of 26 miles, 385 yards (42.195 kilometers). (noun)
• Sports A long-distance race other than a footrace: a swimming marathon. (noun)
• A contest of endurance: a dance marathon. (noun)
• An event or activity that requires prolonged effort or endurance. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Marathon Query I'm curious how the usage of the term marathon and derivatives evolved in your publications ...."
• "Marathon Query I'm curious how the usage of the term marathon and derivatives evolved in your ..."
• "Fogle's athletic aspirations and weight management aside, his participation in the marathon is all about promoting Subway sandwiches as fuel for fast runners."