Fit it in whenever you can: I used to think a one-mile run wasn’t worth it, but as I got more busy in my life, I realized that even jumping on the treadmill for 10 minutes is better than nothing!Involve friends: Even if you perform at different fitness levels, working out with friends can be rewarding. Some of my fastest runs have been with big groups of people. More the merrier.Find an indoor track if it is too cold …