Fartlek Training: The Complete Overview
For experienced runners, many turn to a fartlek run as a new challenge that breaks up their normal routine. Fartlek sessions are a challenging workout that pushes runners outside their comfort zone and combines a mix of warm-up pace, speed work, sprinting, and cool-downs into a constant interval training session designed to increase your heart rate.
What Is a Fartlek Training Run?
A fartlek run is defined as “continuous training with interval training.” The word “fartlek” is Swedish for “speed play,” highlighting its focus on a medley of fast and slow bursts of running during the duration of the workout.
Fartlek Runs vs. Tempo Runs vs. Interval Runs: What’s the Difference?
So, are we introducing fartleks into our training plans just because it’s a cool name? Well, if it sounds strikingly close to interval training and tempo runs, you’re not wrong. A fartlek is a type of interval run that incorporates tempo. However, there are still key differences between the three:

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