POPSUGAR Fitness Celebrity Fitness Celebrity Running With David Kirsch Guess Which Celeb Went Running With Trainer David Kirsch? by Fitness 7/10/11 5 Shares Like us on Facebook Sign up for our daily newsletter > Follow us on Pinterest Can you guess which one of David Kirsch's celeb clients joined him for a run? FIND YOUR WORKOUT Read More David KirschCelebrity FitnessRunningGuess Who Running Black Friday Not Your Jam? Live Vicariously Through These Movies The Runner in Your Life Will Appreciate These Gifts Runner Gets Called a Dumb B*tch, and a Little Boy Comes to the Rescue 5 Ways to Make Running Feel Easier Celebrity Fitness Jessica Simpson's Daily Workout Is Surprisingly Simple See How Fit Mom Carrie Underwood Stays in Shape (Hint: It Involves Her Baby) Jennifer Lopez's Diet and Fitness Secrets Are Worth Taking a Few Cues From Feel Instantly Inspired to Exercise With These Celeb Instagram Pics POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests. Get Results With Our Fitness Newsletter Personalize Yoga Working Out Running Weight Loss Sign up with facebook or By signing up, I agree to the Terms and to receive emails from POPSUGAR.