WALK SMARTER, NOT FASTER
When it comes to burning calories, incline can be more impactful than speed. Researchers found walking at a 5% incline versus flat increases calorie burn by 17%. Go up to 10% incline and the calorie burn increases by 32%. Now imagine that at 40% incline.
Flat Walking
0% Incline
~3x the calorie burn²
30% Incline
Over 3x the calorie burn²
40% Incline
Find your perfect treadmill. Chat with a Nordictrack Expert
X24 TREADMILL
FEEL THE BURN
From 40% incline down to -6 decline, the X24 makes you feel every rise and fall of real terrain in real time with immersive, trainer-led workouts.³
X24 TREADMILL
THE POWER YOU NEED. THE RESULTS YOU WANT.
40% incline to -6% decline
0-12 MPH (5-minute-mile pace²)- 4.25 CHP Motor³
Lifetime Motor Warranty⁴
EXPLORE MORE TREADMILLS WITH INCLINE
Shop Our Best Sellers
1.Based on maintaining a fixed speed of 1.5 mph at each grade. Yeo D, Carlson AR, Johnston J, Ziegler BL, Wentz RJ, Downs JH, Kim CH, Johnson BD. The Metabolic Cost of Steep Incline Treadmill Walking, Sports Medicine and Health Science, 2026.
2.Based on average of study participants walking on a treadmill. Yeo D, Carlson AR, Johnston J, Ziegler BL, Wentz RJ, Downs JH, Kim CH, Johnson BD. The Metabolic Cost of Steep Incline Treadmill Walking, Sports Medicine and Health Science, 2026.
3.Paid iFIT Pro membership required with equipment purchase and to access content and features. Membership auto-renews unless cancelled in advance. Free iFIT account, agreement to terms, and wi-fi required to operate equipment.
* Based on average of study participants walking on a treadmill. Dongwook Yeo, Alex R. Carlson, Jessi I. Johnston, Briana L. Ziegler, Robert J. Wentz, J. Hunter Downs, Chul-Ho Kim, Bruce D. Johnson, The Metabolic Cost of Steep Incline Treadmill Walking, Sports Medicine and Health Science, 2026.
