One time at my gym, I discovered two treadmills that looked like minimalist conveyor belts with railings ... the Woodway Curve Trainer, Trueform Runner, and Technogym SkillMill.

this isn’t designed for running — you’d want one of the best treadmills with handrails for that. The WalkingPad Z1 uses the same KS fit app to track all of your walks and has a screen that ...

Like lots of runners, I’ve never really loved the treadmill. It’s something about seeing how fast I was running, and how much time I had left, that always zapped my drive to keep going.