Marathon
              Definition
              A long-distance running race, specifically one covering a distance of 42.195 kilometers or approximately 26.2 miles.
              Parts of Speech
              
              Pronunciation
              American English
              
                - IPA Pronunciation: /ˈmɛrəˌθɑn/
 
                - Respelling: MARE-uh-thon (with "MARE" as in "mare," "uh" as in "sofa," and "thon" as in "thon")
 
              
              British English
              
                - IPA Pronunciation: /ˈmærəθən/
 
                - Respelling: MAH-ruh-thun (with "MAH" as in "cat," "ruh" as in "sofa," and "thun" as in "thunder")
 
              
              In both dialects, "marathon" places the primary stress on the first syllable. The pronunciation is slightly different, with "MARE-uh-thon" in American English and "MAH-ruh-thun" in British English.
              Etymology
              Derived from the ancient Greek story of the Battle of Marathon. Legend holds that a Greek soldier named Pheidippides ran from the city of Marathon to Athens to deliver news of a military victory, and then died from exhaustion.
              Derivatives
              
                - Marathoner
 
                - Marathon-like
 
                - Marathon-running
 
                - Marathon training
 
                - Mini-marathon
 
              
              Synonyms
              
                - Long-distance race
 
                - Endurance race
 
                - 42k run
 
              
              Antonyms
              
              Usage
              
                - She is training hard for the upcoming Boston Marathon.
 
                - Completing a marathon is on his bucket list.
 
              
              Related Terms
              
                - Runner
 
                - Pace
 
                - Half-marathon
 
                - Ultra-marathon
 
                - Race
 
              
              Detailed Definition
              Noun
              
                - A footrace that covers a distance of 42.195 kilometers or about 26.2 miles, often run as a road race.
 
                - Example: The New York City Marathon attracts thousands of participants from all over the world.
 
              
              
                - An event or activity that lasts an unusually long time or requires great effort and endurance.
 
                - Example: The movie marathon lasted all day, with fans watching all the sequels back-to-back.
 
              
              
                - A long and demanding activity in a particular field or domain.
 
                - Example: The team went on a coding marathon to finish the project on time.