Friend of Fenom Brittani Rettig is an AFAA certified fitness, kickboxing and indoor cycling instructor. The Harvard Business School graduate played Division I basketball at Cornell University. Team Fenom will share frequent workout plans and more from Brit. Our first workout is the Olympic Athlete Personal Challenge. For custom designed workouts contact Brit on her blog GRIT by Brit or on Twitter @GRITbyBrit.
By Brittani Rettig, creator of gritbybrit.com -
*Be sure to warm up for 5-10 minutes before you start the sprints and stretch for 5-15 minutes after you complete the workout.
Example: Inch Worm Exercise
Top photo credit: Kirby Lee/USA TODAY Sports
Left to right in top photo: Dee Dee Trotter, Allyson Felix, Francena McCorory, and Sanya Richards-Ross claimed gold in the 4×400 meter relay at the London Olympics





















