To maximize the potential of Zwift's real-time metrics, you must first understand how to effectively utilize them during high-intensity interval workouts. Watts per kilogram (W/kg) and cadence are crucial metrics to maintain a steady pacing strategy. W/kg quantifies your power output relative to your body weight, ensuring that you can sustain intense efforts consistently. Cadence, on the other hand, measures pedaling rhythm, enabling you to find an efficient and sustainable rhythm.
Compared to traditional pacing methods like perceived exertion and heart rate zone, W/kg and cadence provide a more precise and objective measurement, particularly for structured interval sessions. However, these metrics may not always be the most reliable for certain scenarios, such as during sprints. Momentary efforts can cause spikes in W/kg, making it challenging to gauge true performance. In prolonged climbs, heart rate may be a more reliable metric, as your heart adapts more gradually to the demands of the climb than W/kg.
To strike a balance between data-driven pacing and intuitive skills, it is essential to develop a sense of self-awareness when utilizing technology. Utilize the metrics to guide your training but also give importance to your body's feedback and comfort level. Be cautious not to over-rely on technology, which could result in neglect of innate pacing skills. By mastering this balance, you'll optimize your training and racing experience on Zwift while honing your instincts as a cyclist.