Difference between Running Outside vs. Treadmill Benefits: Outside: - More muscle activation & stability demand - Mental stimulation & sensory input - Realistic pace feel outside - Builds mental toughness Treadmill: - Lower impact - Pace control - Climate control - Great for recovery runs - Helps new runners with rhythm Running is running at the end of the day. Both are great options. I find myself using both outdoor and treadmill running in my week of training. #run #runners #running #marathon #treadmill #endurance