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interval training

American  
[in-ter-vuhl tray-ning] / ˈɪn tər vəl ˌtreɪ nɪŋ /

noun

  1. an exercise and training program in which each session consists of periods of intense exertion alternating with periods of rest or lighter exertion.


interval training British  

noun

  1. Also called: fartlek. a method of athletic training using alternate sprinting and jogging

"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

Etymology

Origin of interval training

First recorded in 1955–60

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Most exercise recommendations call for interval training three days each week.

From Science Daily ● Aug. 2, 2026

His longtime business, Bootcamp H20 — fitness classes for adults held at private and public pools around L.A. — blended high-intensity interval training, circuit training, aerobics, plyometrics, strength training and endurance training.

From Los Angeles Times ● Jan. 1, 2026

She also leads a program she created that involves nutrition, health and wellness education, running, and high-intensity interval training.

From Slate ● Oct. 15, 2024

If you are concerned about blood pressure and are new to fitness, don’t try jumping into high intensity interval training, which causes more rapid fluctuations in your heart rate and blood pressure.

From Seattle Times ● May 20, 2024

In Lumin Fitness' darkened studio space in Dallas, Texas, LED screens line the walls from where AI personal trainers guide up to 14 gym goers at a time through personalised workouts or high-intensity interval training.

From BBC ● Jan. 3, 2024

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