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# The Good Oil Word of the Day
- URL: https://goodoil.news/the-good-oil-word-of-the-day-369/
- Published: 2025-08-12T18:15:12.000Z
- Updated: 2025-08-12T18:15:12.000Z
- Author: David Theobald
- Tags: General, Word of the Day

The word for today is…

fartlek (noun):

: endurance training in which a runner alternates periods of sprinting with periods of jogging

Source : [Merriam -Webster](https://www.merriam-webster.com/dictionary/fartlek?ref=goodoil.news)

Etymology : Swedish, from fart speed, pace (from Middle Low German vart journey, pace, alteration of Old Saxon fard; akin to Old English fierd, fyrd military expedition, campaign) + lek play, game, from Old Norse leikr

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