Fartlek / färtlək / noun

Definition: A fartlek is a system of training for distance runners in which the terrain and pace are continually varied.

Also called fartlek training, intervals are used by competitive endurance athletes for improving speed and conditioning. The word fartlek also denotes a training technique, used especially among runners, consisting of bursts of intense effort loosely alternating with less strenuous activity.

Etymology: The word “fartlek” originated from Sweden in the 1950s. The word was first recorded in the period 1950–55.

In a Sentence

The coach taught us the basics of fartlek during our first training session. It primarily implies a varying training routine with fun new things to do.

The coach’s run is a type of fartlek running game that uses a whistle to tell runners when to speed up.

This weekly program devotes four days to recovery training and two to aerobic and threshold training, via fartlek or speed play exercise.

Synonyms 

Interval training, Athletic Training, Speed Play

Antonyms 

Steadiness, Single Speed, Slow