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
An ultramarathon runner is speaking out after becoming the first woman in history to win the Cocodona 250, a 250-mile endurance race, and setting a course record in the process.
—
Faith Bernstein, ABC News, 8 May 2026
And the ultramarathon got so big that organizers added a 100 mile mountain bike race, which became a big deal in its own right.
—Alan Gionet, CBS News, 22 Apr. 2026
Yet an increasing number of endurance athletes are taking on these longer ultramarathons.
—Brad Stulberg, Outside, 26 Mar. 2026
Itzler personally runs six minutes and walks four, a ratio he’s used across ultramarathons, according to his social media post.
—Avery Newmark, AJC.com, 16 Mar. 2026
See All Example Sentences for ultramarathon
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Faith Bernstein, ABC News, 8 May 2026
And the ultramarathon got so big that organizers added a 100 mile mountain bike race, which became a big deal in its own right.
—Alan Gionet, CBS News, 22 Apr. 2026
Yet an increasing number of endurance athletes are taking on these longer ultramarathons.
—Brad Stulberg, Outside, 26 Mar. 2026
Itzler personally runs six minutes and walks four, a ratio he’s used across ultramarathons, according to his social media post.
—Avery Newmark, AJC.com, 16 Mar. 2026
See All Example Sentences for ultramarathon
Cite this Entry
“Ultramarathon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultramarathon. Accessed 11 May. 2026.
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