half-marathon

noun

half-mar·​a·​thon ˈhaf-ˈmer-ə-ˌthän How to pronounce half-marathon (audio)
-ˈma-rə-
plural half-marathons
: a footrace run on an open course that is half the distance of a marathon (13 miles, 192.5 yards, or 21.1 kilometers)
Then, in late September, … Goucher ran a U.S. best in the half-marathon, beating the women's marathon world-record holder, Britain's Paula Radcliffe, by nearly a minute.Alexander Wolff
Having just completed a half-marathon in the UK's Great North Run on Tyneside, I was surprised to find that my legs felt stiffer two days after the event than they were the following day.Melanie Trickett

Examples of half-marathon 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.
Born April 20, 1959, in Sittard, Netherlands, Hof has set multiple Guinness World Records for cold endurance including running a barefoot half-marathon above the Arctic Circle, climbing to 7,400 meters on Mount Everest in shorts and swimming under ice. Allison Palmer, Miami Herald, 28 May 2026 Erivo once ran a Brooklyn half-marathon before doing two Broadway shows later that day. K.j. Yossman, Variety, 27 May 2026 Over two days in late April, the Pigeon Forge, Tennessee, theme park became a path for a 5K, 10K and half-marathon (along with a Kids Fun Run). Nathan Diller, USA Today, 28 Apr. 2026 Honor One of the robots that took part in the humanoid half-marathon in Beijing this month managed to break a real person's previous record — as well as that of another robot. Lexi Lane, PEOPLE, 25 Apr. 2026 See All Example Sentences for half-marathon

Word History

First Known Use

1932, in the meaning defined above

Time Traveler
The first known use of half-marathon was in 1932

Browse Nearby Words

Cite this Entry

“Half-marathon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/half-marathon. Accessed 2 Jun. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster