A side-by-side comparison of the optimal maximal speed running gait of the Au. afarensis model with modern human-like tricep surae muscle architecture. Credit: Bates, Karl T. et al., 2025 Lucy is one ...

Great running surface. Compatible with the vast majority of third-party running apps and heart rate monitors. Nice platform for laptops, iPads, and cell phones. Allows you to run at your own rate. No ...

Although treadmills do let you vary your running speed, you have to repeatedly reach down and hit the controls in order to do so. The Kickr Run offers a more natural hands-free alternative, in that it ...