WordWeb Online

1. Any long and arduous undertaking
   - endurance contest
    
2. A footrace of 26 miles 385 yards

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, IA Marathon, Greece Marathon, New York Marathon, Iowa Marathon, FL Marathon Marathon, Florida Marathon, Fl Marathon, WI Marathon, Texas Marathon, a Korean movie Marathon, Wisconsin Marathon, Ohio Marathon, ON Marathon, TX Marathon, Ontario