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Noun: marathon  'mer-u,thón [N. Amer], ma-ru-thun [Brit]
  1. A footrace of 26 miles 385 yards
    "She trained for months to compete in the Boston Marathon"
     
  2. Any long and arduous undertaking
    "Writing a dissertation is an academic marathon";
    - endurance contest
Noun: Marathon  'mer-u,thón [N. Amer], ma-ru-thun [Brit]
  1. A battle in 490 BC in which the Athenians and their allies defeated the Persians
    - battle of Marathon

Derived forms: marathons

Type of: foot race, footrace, labor [US], labour [Brit, Cdn], pitched battle, project, run, task, undertaking

Encyclopedia: Marathon, Ontario