Head Strength and Conditioning Coach/General Manager

Kids Martial Arts near West Hartford

Coach John Durrett

Coach John Durrett has been working in the fitness/athletics industry as a personal trainer or strength and conditioning coach for over a decade. The former Head Assistant Strength & Conditioning Coach at Trinity College, he has a long history with the martial arts, possessing the rank of Black Belt in Shotokan Karate and Purple Belt in Brazilian Jiu-Jitsu, as well as over a decade of experience training in kickboxing at Underdog MMA under Russell Leak. He is a Jeet Kune Do practitioner and trains Kali and Eskrima, and is an active purple belt in Brazilian Jiu-Jitsu. For several years, John competed in the sports of Strongman, Powerlifting, Olympic Weightlifting, and CrossFit. Over the years, John has worked extensively with athletes of all ages and ability levels, from first-graders to senior citizens to Olympic athletes. In addition to his time as a collegiate strength and conditioning coach, he was also the S&C coach for several high school teams, and was a head and assistant coach at several gyms.


In 2007, Coach Durrett graduated high school weighing around 315 pounds: although he had been heavy his whole life, this was the most he had ever weighed. During his sophomore year at UConn (where he would go on to earn his degree in English), he decided he had to do something or risk serious health complications. Immersing himself in the study of nutrition and exercise, he worked his way down to 200 pounds before joining Underdog in October 2010. In order to compete, he managed to reach a low of 170 pounds. Currently, Coach John is a NSCA CSCS and Power Athlete Block One Coach and has accrued more than a dozen other certifications and countless hours of continuing education. Having struggled with issues regarding diet and exercise himself, John coaches with the perfect mix of passion and compassion. In addition to being a strength coach, he has had much success as a personal trainer, helping hundreds of clients lose weight and get in shape.

Coach Durrett's Current Certifications: NSCA Certified Strength and Conditioning Specialist (CSCS), Power Athlete Block One Coach, RPR Level 2, Prokreate Pregnancy and Post-Partum Trainer, Gym Yoga Certified, NASM Fitness Nutrition Specialist

Past Certificates Held: CrossFit Trainer - Level 3, USAW Olympic Weightlifting Level 2, USAW Olympic Weightlifting Programming Specialist, CrossFit Football, CrossFit Endurance, CrossFit Kids, CrossFit Gymnastics, CrossFit Strongman

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