This highly-rated treadmill from Urevo has a versatile two-in-one design: With the frame up, you can run up to 7.6 mph, and with the frame down, you can tuck it under your desk to walk up to 3.8 mph.
Here’s how it works. The best under-desk treadmills are a great way to keep moving while working. These walking pads often don't have handlebars, so they can slide out of the way when not in use ...