3. Jessica Matthews
Source: Iconosquare
Jessica is an exercise science professor, personal trainer, and a health coach in San Diego, California. She is 30 years old and can run a half marathon in 1:59. Her training philosophy is that fitness should be a complete way of life and much more than just in the gym. She has a hidden talent of being able to recite all 50 states in alphabetical order, something she learned back in the first grade.