Marshall got his start in Corps Fitness when Chris still taught classes in area parks and fields. Encouraged by Chris, Marshall entered the Got the Nerve Triathlon and since then competed in many triathlons up to the Half-Ironman Distance. Swimming the San Francisco Bay from Alcatraz is one of has favorite race memories.
He teaches Functional Fitness for Runners, and Spin and Krank Class that incorporates spinning/kranking, plyometrics, and low-impact circuit training.
Marshall also coaches Cross Country and Track and Field at Berks Catholic High School and is the owner of Peak Coaching.
PIAA National Coaches Certification
USC National C License
Strength and Form for Runners