The best treadmill for running in 2023 will depend on your individual needs and preferences. However, some of the top options on the market include the NordicTrack C 990 Treadmill, the Sole F85 Folding Treadmill, the ProForm Performance 400i Treadmill, the Horizon Fitness T101 Treadmill, and the Bowflex BXT216 Treadmill.