The Sportstech F37s Pro remains a home treadmill that divides opinions. Its motor rated at 7 HP peak does not reflect the actual continuous power that can be utilized, and the product sheet mixes several power values depending on the sections. We have scrutinized this model to distinguish marketing specs from real-world performance.
Real Motor Power and Reliability of the F37s Pro Technical Sheet
The mention of “7 HP” (approximately 7 CV) on the product page corresponds to peak power, not continuous power. In regular use, the motor develops 2.5 CHP continuously, which makes it suitable for jogging and moderate running. This distinction is crucial for anyone comparing treadmills in this price range.
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We observe that the product sheet mixes several power values depending on the sections, a point noted in recent comparisons. This ambiguity is not trivial: an unsuspecting buyer might believe they are acquiring a semi-professional device, whereas the motor is on par with the average home treadmills around this price.
The smoothness of the belt remains satisfactory up to about 14-15 km/h. Beyond that, the motor demands more of its resources and the noise increases significantly. For intense interval sessions above 18 km/h, we recommend consulting our review of the Sportstech F37s Pro which details the acoustic comfort thresholds by speed level.
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Running Surface and Shock Absorption: Limits for Larger Users
With a running surface of 132 x 48 cm, the F37s Pro offers a decent length for average strides. Runners over 1.85m will feel constrained in stride length, especially at high speeds.
The width of 48 cm deserves attention. It is sufficient for straight running, but any natural lateral drift (fatigue, sprint) quickly brings you close to the edge of the belt. On this point, the F75 from the same brand or the sTread Lite Profi offer more generous surfaces.
The shock absorption system advertised with 8 zones absorbs impacts adequately at moderate speeds. We note that the absorption loses effectiveness above 16 km/h for a user over 85 kg, which public tests rarely mention. The maximum user weight is set at 150 kg, a comfortable ceiling that confirms the robustness of the frame.
Motorized Incline and Training Programs of the Sportstech F37s Pro
The motorized incline goes up to 10.5% according to recent comparative data, a discrepancy from the 15% sometimes advertised on other versions of the F37. This value remains sufficient to simulate realistic hills and work on strengthening the lower limbs.
The transition between incline levels is smooth and the incline motor operates quietly, a good point compared to the main motor. The 12 built-in programs cover classic needs:
- Weight loss programs with alternating speed/incline over variable durations
- Interval programs (short and long intervals) suitable for race preparation
- Customizable programs where the user defines their own speed and incline levels
Compatibility with Kinomap and iFitShow adds a layer of interactivity. The Kinomap app is not mandatory: the built-in programs operate independently, avoiding reliance on a third-party subscription.
Positioning Against the F75 and sTread Lite Profi
The question is no longer whether the F37s Pro is a good treadmill, but whether it remains the right choice against Sportstech alternatives. The F75 offers a wider running surface, a more powerful motor, and a construction aimed at demanding athletes, for a significant price difference.
The sTread Lite Profi, newer in the range, focuses on compactness and a redesigned design. For regular use (3 to 4 sessions per week of 30 to 45 minutes), the F37s Pro offers the best compromise between footprint, features, and budget.
The folding system with hydraulic cylinder makes storage easy and secures handling. Weighing in at 72 kg, the treadmill remains movable thanks to the integrated wheels, although two people make the initial setup easier.
What Makes the Difference in Daily Use
- The LCD screen remains basic but readable, displaying speed, time, distance, calories, and heart rate via the handlebar sensors
- The bottle holders and tablet holder are well positioned and accessible while running
- The noise level at full speed (20 km/h) is the main recurring complaint from users, particularly in apartments
- The maximum speed of 20 km/h meets the needs of the vast majority of home runners
The Sportstech F37s Pro fulfills its specifications as a versatile treadmill for regular home use. Its limits lie in the belt width for larger users and the noise level at high speeds. For an average-sized runner looking for a complete device without investing in the semi-professional segment, the equipment/price ratio remains among the most competitive in the Sportstech range.