Meet the Zero Runner by Octane Fitness: an exercise machine that lets you run with zero impact to your body. It simulates walking with shorter strides or a running motion up to 58″. The Zero Runner is compatible with Octane’s SmartLink app. It replicates your running gait without the impact of the trail, allowing you to recover or train smarter.
The machine is self-powered and quiet. It has a console that displays your workout data. The bad news? The Zero Runner is not cheap.