Critical-power modeling from your Strava history

How many watts. For how long.

Power Predict fits a critical-power model to your best efforts and predicts the wattage you can sustain for a target race duration, weighted toward your recent fitness.

  1. 01 / Request

    Ask Strava for your archive

    They prepare it offline and email a link within hours. Step-by-step

  2. 02 / Drop

    Drag the zip onto the page

    Parsed in your browser. Raw streams never leave your machine.

  3. 03 / Read

    See your power-duration curve

    Connect Strava later so new rides flow in automatically.

Drop your archive strava_export_*.zip · or click to browse