Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: marathon  'mer-u,thón [N. Amer], ma-ru-thun [Brit]
  1. Any long and arduous undertaking
    - endurance contest
  2. A footrace of 26 miles 385 yards
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