ul·​tra·​mar·​a·​thon ˌəl-trə-ˈmer-ə-ˌthän How to pronounce ultramarathon (audio)
: a footrace longer than a marathon
ultramarathoner noun

Examples of ultramarathon in a Sentence

Recent Examples on the Web Meanwhile, author and adventurer Brendan Leonard loves them for everything from ultramarathons to ordinary day hikes. Lindsey Olander, Condé Nast Traveler, 20 Oct. 2023 But these Kwik Trip enthusiasts, who also happen to be ultramarathon and trail runners, are preparing to take their love for the gas station to a new level. Claire Reid, Journal Sentinel, 20 May 2024 Outside of his work, O'Connor had also been a bike tour guide, a ski patroller, a National Park Service climbing ranger, an ultramarathon, and a backcountry skier, according to the blog post. Thao Nguyen, USA TODAY, 13 May 2024 The first woman completed one of the world’s hardest ultramarathons. Morgan Haefner, Quartz, 27 Mar. 2024 Related article Harvey Lewis set a backyard ultramarathon record by running 450 miles for four and a half days – while barely sleeping After 17 years in prison, and now in his 50s, Taylor is a runner and coach having been released on parole. Amy Woodyatt, CNN, 8 Apr. 2024 Exercise physiologist Heather Hart, CSCS, runs ultramarathons (that’s any race longer than 26.2 miles) and absolutely can sometimes still experience breathlessness when climbing up one. Jenny McCoy, SELF, 20 Feb. 2024 Late last October, U.S. ultramarathon legend Bernd Heinrich, now 81, made a quiet trip to Chicago to reprise one of the greatest performances in American running history. Amby Burfoot, Outside Online, 26 Jan. 2022 An early passion Some of Farley’s earliest and fondest memories involve watching his father run marathons and ultramarathons. Kelyn Soong, Washington Post, 17 Nov. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ultramarathon.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1977, in the meaning defined above

Time Traveler
The first known use of ultramarathon was in 1977

Dictionary Entries Near ultramarathon

Cite this Entry

“Ultramarathon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultramarathon. Accessed 16 Jun. 2024.

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