10 Best Flat Treadmills 2025 in the United States

The Sperax Walking Pad is a compact and versatile under desk treadmill geared towards those who want to stay active while working from home or the office. Its 2.5HP quiet motor is powerful enough to support users up to 320 lbs, making it suitable for a wide range of individuals. The treadmill operates quietly and offers a speed range from 0.6 to 3.8 mph, catering to light walking to brisk walking or easy jogging. This range may be limiting for those looking for more intense workouts or running sessions.

The running surface measures 16.54” x 39.78”, which is adequate for walking but might feel cramped for taller users or those with a longer stride. The treadmill's shock absorption and non-slip belt contribute to a stable and comfortable walking experience. One significant advantage is its portability and space-saving design. It arrives fully assembled, and with the help of transport wheels, it can easily be moved and stored under a sofa or bed.

The LED display and remote control offer convenient tracking and adjustment of speed, distance, time, and calories. However, the lack of incline options might be a drawback for users seeking varied workout intensities. The Sperax Walking Pad is ideal for those looking for a simple, quiet, and space-efficient treadmill for low-impact exercise and staying active during sedentary tasks.

The NordicTrack T Series 5 treadmill is a solid choice for adults interested in both walking and running. It features a motor power of 2.6 horsepower, which should be sufficient for most casual to moderately intense workouts. The treadmill's speed range is up to 10 MPH, and it offers an incline range of 0-10%, allowing users to vary their workouts and target different muscle groups effectively. One notable strength is its foldability, which makes it easier to store in compact spaces when not in use. Additionally, the cushioning on the running surface helps reduce impact on your joints, making it more comfortable during longer sessions.

The running deck measures 55 inches in length and 18 inches in width, which is adequate for most users but may feel slightly narrow for those with longer strides. The LCD display provides basic metrics, and there is a device shelf for those who prefer to follow workouts on their own devices. However, many of the advanced features, such as the SmartAdjust technology, ActivePulse, and AI coaching, require a separate iFIT membership, which costs $15 per month. This subscription is necessary to access the full library of workouts and personalized coaching, which might be a downside for some users. Another point to consider is the weight capacity of 300 pounds, which should accommodate most users comfortably.

The treadmill integrates well with third-party apps like Strava, Garmin, Google Fit, and Apple Health, offering a comprehensive way to track and store your fitness data. Lastly, the warranty offers good coverage for the frame (10 years) and a year for parts and labor, providing additional peace of mind. The NordicTrack T Series 5 is a good all-around treadmill with a range of features suitable for a variety of fitness levels, though the dependence on the iFIT membership for advanced features could be a limiting factor for some.