ultramarathon
noun
ul·tra·mar·a·thon
ˌəl-trə-ˈmer-ə-ˌthän 
-ˈma-rə-
: a footrace longer than a marathon
Examples of ultramarathon in a Sentence
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The Western States 100 ranks as America’s top ultramarathon, launching from the Palisades Tahoe ski resort and ascending to nearly 9,000 feet before dropping into Auburn, California.
—
Brian Hiatt, Rolling Stone, 30 June 2025
Her ultramarathon training follows the same principle.
—Dan Pontefract, Forbes.com, 18 June 2025
To me, that took more courage than standing at the start of any ultramarathon.
—Outside Online, 2 Oct. 2024
The producers delve into sometimes mainstream, sometimes obscure topics, such as the woman who wanted to run an ultramarathon against a horse and a longform project on amateur ice hockey player Hobey Baker.
—Toni Fitzgerald, Forbes.com, 12 July 2025
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Brian Hiatt, Rolling Stone, 30 June 2025
Her ultramarathon training follows the same principle.
—Dan Pontefract, Forbes.com, 18 June 2025
To me, that took more courage than standing at the start of any ultramarathon.
—Outside Online, 2 Oct. 2024
The producers delve into sometimes mainstream, sometimes obscure topics, such as the woman who wanted to run an ultramarathon against a horse and a longform project on amateur ice hockey player Hobey Baker.
—Toni Fitzgerald, Forbes.com, 12 July 2025
See All Example Sentences for ultramarathon
Cite this Entry
“Ultramarathon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultramarathon. Accessed 22 Aug. 2025.
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