base building

Definition

A training phase focused on developing aerobic capacity through high-volume, low-intensity work before adding harder efforts. The boring foundation that nobody wants to do but everyone needs.

Example Usage

I'm in my base building phase, which means eight weeks of slow, easy miles before I'm allowed to run fast and have fun again.

Origin

Endurance training methodology from the 1970s-80s, influenced by Arthur Lydiard's training philosophy.

Fun Fact

Elite endurance athletes often spend 80% of their annual training in base building, proving that slow and steady really does build the aerobic engine.

Source: Endurance sports training methodology

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