Fitness
Fartlek Run
A fartlek run mixes easy running with unstructured surges—lamppost to tree, minute hard, two easy—without track precision. It trains speed changes and mental flexibility for road and trail racing.
A fartlek run mixes easy running with unstructured surges—lamppost to tree, minute hard, two easy—without track precision. It trains speed changes and mental flexibility for road and trail racing.
Keep most of the run easy so surges stay quality.
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