marathoner

noun

mar·​a·​thon·​er ˈmer-ə-ˌthä-nər How to pronounce marathoner (audio)
ˈma-rə-
: someone (such as a runner) who takes part in a marathon
marathoning
ˈmer-ə-ˌthä-niŋ How to pronounce marathoner (audio)
ˈma-rə-
noun

Examples of marathoner in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The leg muscles of a marathoner can have twice as many mitochondria per cell as those of a couch potato, spreading the energetic load across much more capacity. — Rowan Jacobsen, Scientific American, 20 Oct. 2026 The lightweight compression socks are highly recommended by flight attendants, pilots, marathoners, and nurses who spend 12-hour shifts making rounds across hard hospital floors. — Olivia Young, Travel + Leisure, 27 Sep. 2026 Sidney Baptista, founder of Pynrs streetwear — which has collaborated with Brooks Running — brought up ownership in fashion as well in conversation with Brooks athlete and pro marathoner Erika Kemp. — Jaden Thompson, Footwear News, 25 Sep. 2026 Training through miserable weather has long been a rite of passage for marathoners, but today’s extremes are affecting training schedules and race days in ways that can affect safety and performance. — Nadia Neophytou, Chicago Tribune, 23 Aug. 2026 See All Example Sentences for marathoner

Word History

First Known Use

1923, in the meaning defined above

Time Traveler
The first known use of marathoner was in 1923

Rhymes for marathoner

See All Rhymes for marathoner

Browse Nearby Words

Marathon
marathoner
Marattia
See all Nearby Words

Cite this Entry

“Marathoner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/marathoner. Accessed 21 Oct. 2026.

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Kids Definition

marathoner

noun
mar·​a·​thon·​er ˈmar-ə-ˌthän-ər How to pronounce marathoner (audio)
: one (as a runner) who takes part in a marathon
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