Runn Smart Treadmill Sensor

Runn Smart Treadmill Sensor


No need to buy a brand-new treadmill to start Zwifting. There’s a whole new way to run on Zwift, thanks to the Runn Smart Treadmill Sensor from North Pole Engineering.

The Runn sensor easily installs onto the side rail of most treadmills. Using an optical speed sensor to track belt rotation speed, Runn broadcasts data directly back to Zwift via BLE and ANT+.

What does this mean? You get the most accurate speed, distance, incline, and cadence data while running on Zwift. Helping you level up every time you train.

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  • Connects to Zwift via BLE and ANT+ for quick pairing to all devices.
  • Measures and broadcasts speed, incline, and cadence.
  • Uses a USB rechargeable battery.
  • 20-hour battery life.
  • Cradle easily installs on most treadmills using adhesive strips (included in box).
  • Comes with approximately 20 belt sensor stickers.

Learn more about the California Prop 65 Warning for California residents.

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Shipping & Returns


  • Orders are processed within 1-2 business days.
  • Standard shipping is 2-5 business days.


  • We offer a 30-day return policy on all products.
  • Return freight is not included.
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Rated 5.0 out of 5 stars
Based on 4 reviews
Total 5 star reviews: 4 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
4 reviews
  • BC
    Brent C.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars

    The combination of this unit and the Zwift running program is beyond amazing. Build a training program, test, review your stats and train in a way that sets achievable goals. Great unit!

  • V
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    Runn Smart Treadmill Sensor

    It worked great during my run workout until the 2.50 mile mark. I lost connection, so I had to plug it in to charge more. I ended up connecting my ZPod to finish my run workout. I think the Runn Smart Treadmill Sensor works great on a full charge and is easy to connect to the treadmill. I think it’s great that my hubby and I can share it too.

  • JD
    Jonathan D.
    I recommend this product
    Rated 5 out of 5 stars
    Worth The Money

    I have this sensor mounted to my Woodway Curve. It’s a tiny bit finicky to get to turn on and the Mount itself is a bit flimsy. With that said, once it’s on and positioned it’s great. The accuracy is pretty darn close to the treadmill readout. I am very satisfied!

  • JW
    Jackie W.
    I recommend this product
    Rated 5 out of 5 stars
    Great value for the price

    Installation and calibration was a breeze for me. It turned my old treadmill into one that can work with Zwift within minutes. The data (incline, pace) are pretty accurate after calibration.

    It also pairs to my Garmin Forerunner 955 watch as a foot pod, so I can use the watch to record my workout without Zwift. The data are much more accurate and reliable than my Garmin HRM PRO Plus heart rate chest strap (I've calibrated the strap with outdoor runs).

    Hence, I would really recommend this product and it's definitely a great value for the price

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