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Half marathon

[haf mar-uh-thon]

Phonetic (Standard)

/hæf ˈmærəˌθɑn/

IPA

Noun

Defintion for Half marathon

A half marathon is a long-distance running race with a total distance of 21.0975 kilometers (13.1094 miles), typically conducted on roads.

Long Definition

A half marathon is a 21.1 km (13.1 miles) race that tests endurance and pacing. It requires a balance of speed and stamina, making it a popular choice for runners transitioning from shorter races to marathons. Training involves long runs, tempo runs, and speed work to build aerobic capacity and muscular endurance. Real-world examples include the New York City Half Marathon and the Great North Run. Completing a half marathon is a significant achievement, offering a sense of accomplishment and a stepping stone to full marathons. It matters to runners as it challenges their physical and mental limits.

Kaizen Insights

Kaizen uses your half marathon data to estimate your VO2 Max, which helps predict your race performance and reflects your aerobic fitness level.

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Race & Event Terms

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Relevant Links

  • Explore the full Race Directory to discover hundreds of races worldwide, searchable by region, distance, and PB potential.

  • Check out the top PB-friendly half marathons for your next breakthrough performance.

How to train with the Kaizen app