NordicTrack Commercial 1750 Treadmill

The all-rounder for race training. Its range runs from a 3% decline to a 12% incline, so the downhill stretches of a course can be rehearsed as well as the climbs. Testers found the deck more cushioned than most and the console steady at high speed, which counts on a two-hour run. It folds, carries users up to 400 pounds and lists at roughly $2,000 to $2,500. Two catches. The touchscreen is built around iFIT classes, which cost extra. And NordicTrack's warranty does not cover a treadmill used or stored in a garage, which rules it out for a cold-garage setup.