Everything about the next generation Elevation Series Treadmill from the DX3T Belt and Deck System and FlexDeck® technology to the sophisticated design and open sightlines to the Activity Zone that places the most-used controls at the user's finger tips, is designed to the deliver the ultimate cardio experience with the long-lasting durability you've come to know from Life Fitness. Workouts Quick Start Classic Workouts: Manual Goals, Random, Hill, Rolling Hills Healthy Heart: Moderate Burn, Vigorous Burn, Fixed Time Interval, Variable Time Interval Performance: 2-Speed Interval, Starter Interval, 5K, 10K Evaluate: Fit Test, U. May vary Running Surface: 22" x 60" (55 cm x 152 cm) Assembled Dimensions: (L)80" (203 cm) x (W)37" (94 cm) x (H)62.25" (158 cm) Step-Up Height: 10" (25 cm) Workouts Quick Start Classic Workouts: Manual Goals, Random, Hill, Rolling Hills Healthy Heart: Moderate Burn, Vigorous Burn, Fixed Time Interval, Variable Time Interval Performance: 2-Speed Interval, Starter Interval, 5K, 10K Evaluate: Fit Test, U. May vary Running Surface: 22" x 60" (55 cm x 152 cm) Assembled Dimensions: (L)80" (203 cm) x (W)37" (94 cm) x (H)62.25" (158 cm) Step-Up Height: 10" (25 cm).