“Training for a 5K is definitely different in terms of intensity and volume than training for something like a half marathon or marathon, but that doesn’t mean strength training isn’t still important,” she says. Read on for their advice about strength training for a 5K and building power come race day. Benefits of Strength Training for a 5KTo put it simply, getting stronger helps boost your running power. The Best Strength Training Exercises for a 5KStart with exercises that target your lower half, says Jones. Sample Strength Training Plan for a 5KHere’s an example of how to incorporate strength training into your week and build on it.