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half-marathon

British  

noun

  1. a race on foot of 13 miles 352 yards (21.243 kilometres)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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SINGAPORE—A year ago in Beijing’s humanoid-robot half-marathon race, the first runner to cross the finish line took more than 2½ hours.

From The Wall Street Journal • Apr. 20, 2026

Does creating the world’s fastest bipedal humanoid in a half-marathon stretch China’s lead in the overall robotics race?

From Los Angeles Times • Apr. 20, 2026

France's Jimmy Gressier, the reigning world 10,000m champion, and European champion Thierry Ndikumwenayo of Spain look to contend, as does Adriaan Wildschutt, the South African half-marathon record holder who makes his world cross country debut.

From Barron's • Jan. 9, 2026

The one-day Ironman 70.3 endurance event - also known as a Half Ironman - starts with a 1.2-mile swim, before 56 miles on the bike, and finishes with a 13.1-mile half-marathon.

From BBC • Dec. 10, 2025

“Yeah, not happening. Other than the half-marathon training, I don’t know. I haven’t found a class yet. Babysitting’s kind of hard, actually.”

From "Keeping Pace" by Laurie Morrison

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