performance

A stiff carbon fiber plate embedded in racing shoes that provides propulsion and energy return, often called a "legal performance enhancer."

The fastest time ever recorded by an athlete on a specific, officially measured race course.

A team-based running sport held on open-air natural terrain, such as grass or dirt, typically in the Autumn/Fall season.

A professional or semi-professional athlete who competes for prize money and typically runs at a pace unimaginable to the average human.

A method of race registration that bypasses the lottery, usually achieved by meeting a specific time standard or completing other requirements.

The fastest time ever recorded by an athlete representing a specific country for a recognized distance.

The theoretical ideal weight a runner tries to reach to maximize power-to-weight ratio for a specific race.

Running on paved surfaces like sidewalks or streets. The most common form of running due to its convenience and consistency.

The modern category of racing shoes defined by high stack heights, super-critical foams, and carbon fiber plates.

The maximum amount of oxygen your body can utilize during intense exercise—the gold standard measurement of aerobic fitness.

The fastest time ever officially recorded for a specific distance globally, ratified by World Athletics.