Lace up your running shoes! Run to snag the best Black Friday treadmill deals from top brands like Sunny Health & Fitness, NordicTrack, and more up to $500 off from Amazon and Walmart.

LifeSpan Fitness’ TR5500iM is among the brand’s flagship folding treadmills. This is another treadmill built for runners with a hardcore, 4-horsepower motor that’s good for a 13-MPH max ...