Speed Play for the Training: Fartlek Run - Garmin Blog

In Swedish, Fartlek means “Speed Play.” It is a type of training that alternates between running fast and slow.

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Fartlek training: what is it and how can it help you get faster?

What is Fartlek Training and How Can it Take My Running to the Next Level? - Let's Do This

My Journey to Fast Running — STEPH PI RUNS

Fartlek Training: Lessons from Kenya Series Part 4

Fartlek training: what is it and how can it help you get faster?

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What is Fartlek Training and How Can it Take My Running to the Next Level? - Let's Do This