Definition of fartlek in English:


Line breaks: fart|lek
Pronunciation: /ˈfɑːtlɛk


[mass noun] Athletics
  • A system of training for distance runners in which the terrain and pace are continually varied.
    More example sentences
    • Also called fartlek training, intervals are used by competitive endurance athletes for improving speed and conditioning.
    • The basics of fartlek is to vary your training routine, have fun and invent new things to do.
    • This weekly program devotes four days to recovery training and two to aerobic and threshold training, via fartlek or ‘speed play’ exercise.


1940s: from Swedish, from fart 'speed' + lek 'play'.

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