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
Recent Examples on the Web
The Divergent and Big Little Lies actress will play Eve, an ultramarathon runner who, following the tragic death of her twin sister, enters the most intense competition on the planet: The Badwater 135 Ultramarathon, a 135-mile race through Death Valley.
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Scott Roxborough, HollywoodReporter, 4 Nov. 2025
The Examined Run by Sabrina B. Little Amazon | Bookshop
Little is a trail and ultramarathon runner and a philosopher.
—The New Yorker, New Yorker, 29 Oct. 2025
Just days before his crash, Braconi ran a 100-kilometer (63 miles) ultramarathon in Big Bear with his high school soccer teammate Colby Hahn.
—Erika I. Ritchie, Oc Register, 22 Oct. 2025
Now a new study that followed ultramarathon runners for up to a year suggests an answer.
—Jason Dinh, Scientific American, 20 Oct. 2025
See All Example Sentences for ultramarathon
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Scott Roxborough, HollywoodReporter, 4 Nov. 2025
The Examined Run by Sabrina B. Little Amazon | Bookshop
Little is a trail and ultramarathon runner and a philosopher.
—The New Yorker, New Yorker, 29 Oct. 2025
Just days before his crash, Braconi ran a 100-kilometer (63 miles) ultramarathon in Big Bear with his high school soccer teammate Colby Hahn.
—Erika I. Ritchie, Oc Register, 22 Oct. 2025
Now a new study that followed ultramarathon runners for up to a year suggests an answer.
—Jason Dinh, Scientific American, 20 Oct. 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 Nov. 2025.
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