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ultramarathon

noun

Synonyms of ultramarathon

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Time Traveler for ultramarathon

Time Traveler

The first known use of ultramarathon was in 1977

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Thesaurus Entries Near ultramarathon

ultralightweight

ultramarathon

ultramarathons

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Cite this Entry

“Ultramarathon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultramarathon. Accessed 18 May. 2022.

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Britannica.com: Encyclopedia article about ultramarathon

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