harder

Why Running Outside Can Be Harder Than A Treadmill · Running on a treadmill means that you can set the pace and the incline, which control the difficulty of the run. If you’re running with a specific time or pace in mind, it’s much easier to guarantee that result on a treadmill. "A great thing about running on the treadmill is that once you set your speed, you don't have to think about it ... Why do treadmills feel harder than running outside? - Solpri · I’m Jesse Funk and on today’s episode of Runner’s High, we’re gonna talk about…