Dick’s shoppers have been really impressed with this treadmill. Even a former marathoner was blown away by its performance.

The fact is treadmills will have different capacities when it comes to these features, and while 12 mph might be enough for some, it may not be enough for sprinters. The same goes with inclines.

The Routine Set the treadmill to a speed of 9-10 mph. Sprint for 30 seconds, then reduce speed to 3-4 mph and walk for 1 minute. Repeat for 3 sets, focusing on maintaining speed during the sprint ...