Word.ws English Dictionary

ultramarathon

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

Noun

ultramarathon (plural ultramarathons)

  1. A running race over a distance longer than 42.195 km (26 miles 385 yard), the length of a standard marathon.
    • In South Africa, one of our most popular ultramarathon races is over 56 miles.1977, The Marathon: Physiological, Medical, Epidemiological, and Psychological Studies, New York Academy of Sciences

Forms of ultramarathon

pluralultramarathons

Origin of ultramarathon

From ultra- + marathon.

Words formed from ultramarathon

Questions about ultramarathon

What does ultramarathon mean?
Ultramarathon means a running race over a distance longer than 42.195 km (26 miles 385 yard), the length of a standard marathon.
What part of speech is ultramarathon?
Ultramarathon is a noun.
What is the plural of ultramarathon?
The plural of ultramarathon is ultramarathons.

Words near ultramarathon in the dictionary

  1. ultramafic
  2. ultramafics
  3. ultramafite
  4. ultramagnetic
  5. ultramaphic
  6. ultramarathon
  7. ultramarathoner
  8. ultramarathoners
  9. ultramarathoning
  10. ultramarathonist
  11. ultramarathonists

Source and license

Adapted from Wiktionary: ultramarathon (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “ultramarathon.” Word.ws, https://word.ws/ultramarathon. Based on Wiktionary, CC BY-SA 4.0.