Vectora
Widgets

Power Overlay

Display power data for cycling and other activities.

Power output overlay on a ride

The Power Overlay reads real-time watt data from your activity file. FIT recordings sourced from power meters provide the most accurate values, while GPX files may include derived power when exported from platforms such as Strava. Average power is computed using elapsed time and per-sample wattage, and can be configured as a full-session average or a rolling window.

Supported units include watts and watts-per-kilogram when rider mass is provided. Configuration options include showing instantaneous power only, adding a 3-second or 10-second rolling average, or enabling both values simultaneously. Additional styling options include color bands for training zones and dynamic scaling for high-power intervals.

If power data is unavailable, the overlay displays a neutral placeholder or remains hidden based on the chosen fallback behavior. Zero values are shown verbatim, which is expected during coasting or descending. When encountering long sequences of missing values, the overlay can optionally fade out until valid data is present again.