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.

RunnerDude's Blog: 2013

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Fartlek 2, 3, 4, 3, 2 w/ 2:30 easy 10K Dreaming of Running Boston Marathon - Marathon Training, Boston Qualifier, Love for Running

Speed Play for the Training: Fartlek Run - Garmin Blog

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Speed Play for the Training: Fartlek Run - Garmin Blog

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Fartlek 2, 3, 4, 3, 2 w/ 2:30 easy 10K Dreaming of Running Boston Marathon - Marathon Training, Boston Qualifier, Love for Running

10 Running Workouts to Build Speed and Endurance — Runstreet

Speed Work. It can help. – therunnerwithin

10 Running Workouts to Build Speed and Endurance — Runstreet