USA Triathlon Multisport Zone, February 22, 2016
Every workout needs to be done with a specific purpose in mind, and planned. Training, whether done on your own or following a coaching plan, typically has three dimensions: frequency, duration and intensity. Frequency is how often, and duration how long — distance, e.g., a 1,000-meter swim in the pool, or time, e.g., a one-hour run. Intensity is harder to quantify, but basically means how hard.