MARATHON Synonyms: 82 Similar and Opposite Words

marathon 1 of 2

adjective

Definition of marathon

as in long

lasting for a considerable time a marathon study session the night before the exam

Synonyms & Similar Words

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Antonyms & Near Antonyms

marathon

2 of 2

Example Sentences

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.

Recent Examples of marathon

Adjective

Ada County has tried in past years to not take additional property taxes, Tripple told county commissioners in a marathon multi-hour meeting this week. — Idaho Statesman, 15 June 2026 The Senate already painstakingly passed the measure after a marathon night of voting. — Zachary Schermele, USA Today, 9 June 2026

Noun

Kejelcha is scheduled to run the Valencia marathon at the start of December, one of the fastest courses outside of the marathon majors. — Liam Tharme, New York Times, 23 Aug. 2026 Every marathon season, runners like Dimascio-Donohue strategize about more than just how many miles a week to train. — Nadia Neophytou, Chicago Tribune, 23 Aug. 2026 See All Example Sentences for marathon

Recent Examples of Synonyms for marathon

Adjective

The San Francisco 49ers got creative in managing some tough cuts Sunday afternoon to get down to a 53-man roster, letting go of their punter and long snapper.

— Matt Barrows, New York Times, 31 Aug. 2026
Medicare does not cover custodial care, and custodial care is the bulk of what a long stay involves.

— Jon Sabes, Fortune, 30 Aug. 2026

Definition of long

Noun

Summary Modern leadership requires mental strength akin to ultramarathon runners, as executives face unprecedented pressure, visibility, and a heavy psychosomatic toll.

— Julian Hayes II, Forbes.com, 28 Aug. 2026
Here, in a sleepy suburb just outside the city along the banks of the River Avon, Jackson is in the process of running his 81st consecutive ultramarathon, surpassing the men’s record which stood at 80.

— Rob Tanner, New York Times, 20 Aug. 2026

Definition of ultramarathon

Adjective

For many applicants, the interview comes near the end of an already lengthy process.

— María Luisa Paúl, USA Today, 27 Aug. 2026
That lengthy deployment raised concerns about the mental health of sailors, including reports of at least one going overboard, as well as reports of low supplies aboard the 100,000-ton warship.

— Brad Lendon, CNN Money, 27 Aug. 2026

Definition of lengthy

Noun

Trump has declined so far to endorse a successor, opting to keep his cards close ahead of what’s likely to be a bitter race.

— Emily Hallas, The Washington Examiner, 29 Aug. 2026
The shift toward cost-efficiency in this round of the AI race is also linked to changing decision-makers within enterprises.

— , CNBC, 28 Aug. 2026

Definition of race

Noun

With participation growing each year, organizers say the event formerly known as the Chicago Triathlon is on track to become the largest triathlon in the world.

— Lila Hempel-Edgers, Chicago Tribune, 22 Aug. 2026
Hers is a spectacular rise — a list of remarkable achievements for someone who only started road cycling in the last few years, having previously competed nationally in duathlon (triathlon without the swimming).

— Jessica Hopkins, New York Times, 4 Aug. 2026

Definition of triathlon

Noun

Masters would go on to compete in rowing, cross-country skiing, biathlon, and cycling, winning medals across both Summer and Winter Paralympic Games.

— Tim Genske, Forbes.com, 10 Mar. 2026
The sport was introduced for athletes with physical disabilities at the 1988 Innsbruck Paralympic Games and for athletes with visual disabilities in 1992 at Albertville.

— ABC News, ABC News, 6 Mar. 2026

Definition of biathlon

Noun

Harper Hutton, 12, of Aurora Flyers, placed second in the girls pentathlon high jump, fourth in the pentathlon 80-meter hurdles and pentathlon long jump and fifth in the girls pentathlon shot put.

— Addison Wright, Chicago Tribune, 16 Aug. 2026
Thorpe followed his pentathlon win with another commanding performance in the decathlon, earning his second medal of the 1912 Olympics and setting a world record.

— AJ Willingham, AJC.com, 8 July 2026

Definition of pentathlon

Noun

American Ashton Eaton defends his Olympic decathlon title, equaling the games record with a surge on the last lap of the 1,500 meters — the last event in the two-day competition.

— Assistant Sports Editor, Los Angeles Times, 18 Aug. 2026
Tom Holland’s Peter has a favorite bodega, chases bad guys through backyards, and struggles to mix superhero-ing with the academic decathlon.

— Darren Franich, Entertainment Weekly, 1 Aug. 2026

Definition of decathlon

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“Marathon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/marathon. Accessed 1 Sep. 2026.

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Synonyms of marathon

adjective

noun

Example Sentences

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