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CardioTested

The best curved and manual treadmills

Written by The CardioTested test teamUpdated November 5, 2026

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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.

  1. Best self-powered treadmill
    SportsArt G690 Verde
    3.4
    from —
    Check price

What we looked for

  • A belt driven by your feet or a self-generating drive
  • A frame built for commercial use
  • Slats and bearings that hold up over the miles
  • A clear line between curved machines and cheap flat manual ones
How we rate

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.

Our picks, in detail

Best self-powered treadmillSportsArt
A man running on a self-powered treadmill in a studio
Belt
22 x 60 in
Motor
ECO-POWR self-generating
Max user
400 lb
Floor space
—

SportsArt G690 Verde

3.4Our rating · from specs
Price varies
Typical price

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.

Compare them side by side

Prices are typical ranges, not today's. Tap a column heading to sort.

Model
SportsArt G690 VerdeSportsArt · 3.4/5—22 x 60 in400 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.

Frequently asked questions

Are curved treadmills good for walking?

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.

What is the difference between a curved treadmill and a cheap manual treadmill?

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.