Treadmill Running Really Is Easier Than Jogging Outdoors

Runners have long debated treadmill versus street training. Purists often prefer the outdoors to air conditioned gyms, deeming treadmill running as easier, while leisurely joggers enjoy Keeping Up with the Kardashians during their daily cardio. A new European study supports those who pound the pavement, showing that you would need to run 15 percent faster on…