Usually means: Long-distance running beyond marathon length.
Definitions Related words Phrases Mentions History
We found 12 dictionaries that define the word ultramarathon:

General (10 matching dictionaries)
  1. ultramarathon: Merriam-Webster
  2. ultramarathon: American Heritage Dictionary of the English Language
  3. ultramarathon: Collins English Dictionary
  4. Ultramarathon, ultramarathon: Wordnik
  5. ultramarathon: Wiktionary
  6. ultramarathon: Webster's New World College Dictionary, 4th Ed.
  7. ultramarathon: Infoplease Dictionary
  8. ultramarathon: Dictionary.com
  9. Ultramarathon: Wikipedia, the Free Encyclopedia
  10. ultramarathon: TheFreeDictionary.com

Medicine (1 matching dictionary)
  1. ultramarathon: Medical dictionary

Slang (1 matching dictionary)
  1. Ultramarathon: Urban Dictionary

(Note: See ultramarathoner as well.)

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Definitions from Wiktionary (ultramarathon)

▸ noun:  A running race over a distance longer than 42.195 km (26 miles 385 yard), the length of a standard marathon.

Similar:
ultrarace, ultra, megamarathon, marathon, 5000 metres, superendurance, ironman, ultracentenarian, supermaxi, ultracentenarianism, more...

Opposite:
sprint, short-distance race, marathon

Types:
24-hour, 48-hour, 6-day, 1000-mile, 3000-mile, transcontinental, more...

Phrases:
Badwater Ultramarathon, Gansu ultramarathon disaster, Sydney to Melbourne Ultramarathon, more...

▸ Words similar to ultramarathon

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▸ Wikipedia articles (New!)

▸ Popular adjectives describing ultramarathon

▸ Words that often appear near ultramarathon

▸ Rhymes of ultramarathon

▸ Invented words related to ultramarathon

Similar:
ultrarace, ultra, megamarathon, marathon, 5000 metres, superendurance, ironman, ultracentenarian, supermaxi, ultracentenarianism, more...

Opposite:
sprint, short-distance race, marathon

Types:
24-hour, 48-hour, 6-day, 1000-mile, 3000-mile, transcontinental, more...

Phrases:
Badwater Ultramarathon, Gansu ultramarathon disaster, Sydney to Melbourne Ultramarathon, more...



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