"Fartlek training" is an invigorating way to spruce up cardio days and speed up weight loss. This training method comes from Swedish Olympian and coach Gösta Holmér and appropriately translates to ...

Hearing about a workout called a “fartlek” for the first time as a new runner might be intimidating and confusing. That’s because most terms, like “long run” and “speed workout,” are pretty ...

The Swedish word for ‘speed play’, fartlek is one of the most common training sessions that I use with my athletes. The history of fartlek training dates back more than 80 years, when coaches and ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Fartleks are a ...

Pushing your limits is a simple requirement of running faster and improving your endurance, but that doesn't mean you have to spend hours doing so. Efficiency matters – and the Mona Fartlek offers ...

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