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Our one pick here so far is the SportsArt G690 Verde, a self-powered commercial treadmill with a 22 x 60 in belt and a 400 lb rating that sends power back to the wall as you run. It isn't curved, and it's built for a gym more than a spare bedroom; we don't list a curved model in our database yet.
A curved treadmill has no motor at all. Your feet drive the belt, the curve keeps it rolling, and it slows the moment you ease off. Our rough estimate is that it takes about a third more effort than a motorized treadmill at the same speed, and we'll measure that when we test one. They're silent, need no outlet and have little to wear out besides bearings. The catch is the price, the weight and a learning curve. Flat manual treadmills get sold with the same words but use a flywheel and friction instead, and they're a much weaker product. Our curved vs flat treadmill comparison goes deeper.
A commercial treadmill that sends power back to the wall. It's interesting, but it's built for a gym rather than a spare bedroom.
Product photos are representative stock images, not the exact models, until our own test photos replace them.
Prices are typical ranges, not today's. Tap a column heading to sort.
| Model | ||||
|---|---|---|---|---|
| SportsArt G690 VerdeSportsArt · 3.4/5 | — | 22 x 60 in | 400 lb | — |
Tap a column to sort. Ratings come from published specs until we bench test a machine; specs are the manufacturer's unless a review says we measured them.
They're fine for walking, but expensive for the job. The curve suits a running stride, and at a walk you spend effort just keeping the belt moving. If walking is the main use, a motorized treadmill or a walking pad is cheaper and easier, and it gives you incline.
Cheap flat manual treadmills use a flywheel and friction instead of a curve. They're hard to get moving, uneven at speed and usually rated for 220 lb or less. We'd only consider one for gentle walking, and even then a budget motorized treadmill is a better use of the money.