Meet the Polar M430: a smart running watch with GPS and optical heart rate monitor that lets you maximize your workout. It has 6-LEDs to provide you with accurate readings. The watch tracks your pace, distance, and altitude. The M430 tracks steps, distance, calories, and sleep.
You may want to also check out:
Combine the device with Polar Flow to turn it into a running coach. Costs under $230 at this time.
*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.