Built on accountability.
Frontline Fitness 302 helps everyday adults build strength, lose weight, and stay consistent through expert-led group training designed for all fitness levels.
Welcome to Frontline Fitness 302
Founded by a retired Delaware State Trooper, Frontline Fitness 302 understands the importance of mental toughness, accountability, and having people in your corner. We proudly support first responders, veterans, and everyday people looking to become stronger physically and mentally.
Rob Costlow
By 2015, Rob had become the most unhealthy version of himself. He got back on track, saw how many busy parents were in the same spot, and decided to be part of the solution. His belief: health and happiness are for everyone.
Expert coaching
Every class is guided by coaches who teach proper technique, modifications, and progressions.
Structured training
No random workouts. Every session is part of a bigger plan designed to help you improve safely and consistently.
Community accountability
You’ll train alongside supportive people who encourage you, challenge you, and help you stay committed.
Schedule your service
Check out our availability and book the date and time that works for you.