Running every day can have many benefits. However, the number of days in a row that it is safe to run depends on a person’s goals, their level of fitness, and whether they have any ongoing medical conditions.
A meta-analysis from 2015 found that in physically inactive adults, 1 year of routine running:
- reduced body mass
- lowered body fat ratio
- reduced resting heart rate
- increased maximum oxygen uptake
- raised levels of high-density lipoprotein, or “good,” cholesterol