And winter is the perfect time to jumpstart a regular resistance routine. By strength training three days a week, you can get in solid strength-building sessions without sacrificing your run workouts.

In FIRST’s 2005 study, the results show a 5.4 percent improvement of VO2 max and a 5.6 percent improvement of running speed at lactate threshold, meaning that the three-day-a-week program can ...

2. Embrace resistance training. Strength training has a significant impact on your metabolism and fat burning capabilities, so it’s crucial to incorporate resistance training at least three days a ...