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Performance Optimization Device

Can you ever have enough data? We didn’t think so, which is why we created the COROS Performance Optimization Device aka the COROS POD. The COROS POD provides all of the advanced running analytics you crave complementing your COROS GPS Watch to help keep you healthy and fit.

Image of various advanced running metrics


The COROS POD is easy to use, simply shake to activate, pair with your watch or the COROS app and clip on vertically to your waist in the center of your back.
  • Image of left/right balance metric

    Left/Right balance

    We would all love to have an even 50/50 split between our left and right legs, however for many reasons, this is less typical than you would think. Knowing which side of your body you tend to favor can help you identify potential injuries before they occur and can be useful in correcting your running form.

  • Image of a runner

    Stride Ratio

    Stride Ratio is your Stride Height divided by your Stride Length. Let’s find the ideal ratio to make sure you aren’t jumping up and down or trying to enter a long jump competition. An ideal Stride Ratio ensures that you are using your body's energy to propel yourself forward as efficiently as possible.

  • Image of stride height metric

    Stride Height

    Also known as vertical oscillation, stride height measures how high your body lifts off the ground during your running stride. Why does this matter? While it is important to make sure you are pushing off the ground, you also want to make sure more of your energy is used to move your forward rather than up in the air. Too low or too high can indicate opportunities for improvement – let’s find your sweet spot.

  • Image of ground time metric

    Ground Time

    The key difference between running and walking is that when running, there is a period of time that both feet are off the ground. The more time your feet are on the ground, the less time you are moving forward. An efficient stride spends enough time on the ground to power up for the next stride and not a millisecond more.

  • Image of form power metric

    Form Power

    What’s Form Power – this is essentially the amount of power wasted due to inefficiencies in your running form. Just like ground contact time above, the lower the number, the better and more efficient the runner. Be sure to see how your form power changes as your body fatigues during a run as breakdowns in form are likely to occur. So remember, better efficiency = less wasted energy = lower form power.