Stark Boxing & Fitness logo
New York City boxing & fitness

TRAIN HARD.
STAY STARK.

Boxing and personal training with Gary “Kid” Stark Jr. Learn boxing fundamentals the right way, sharpen your skills, and bring purpose to every round. A NASM Certified Personal Trainer and USA Triathlon Coach Level 1, Gary also coaches strength, HIIT, endurance, sports training, and healthy weight loss.

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Gary Kid Stark Jr. with his New York State featherweight championship belt
25–3Professional boxing record
3×New York Golden Gloves Champion
NY STATEFeatherweight Champion
2026Ring 8 Contender Award
Training

Put in the work.

Sessions built around sound technique, smart movement, and steady progress.

01 / PRIVATE

One-on-one boxing

Personal coaching for technique, footwork, defense, conditioning, and your individual goals.

02 / GROUP

Boxing classes

Learn the fundamentals, work through purposeful rounds, and train alongside the group.

03 / FITNESS & ENDURANCE

Strength & endurance

Strength workouts, HIIT, conditioning, and endurance training tailored to your sport and goals.

04 / CONSISTENCY

Training packages

Build a regular routine with sessions that develop your skills and fitness over time.

Inside a session

Train together.
Get better.

See a Stark Boxing & Fitness group session in action. Build skills, work hard, and move with purpose.

Outdoor group boxing and fitness training with Gary “Kid” Stark Jr.
Book a class

Class schedule.

Find an upcoming boxing class and reserve your spot.

Questions about training? Get in touch with Kid.

One-on-one training

Book a session.

Choose a time for personal boxing and fitness coaching with Gary “Kid” Stark Jr.

Need help finding the right session? Contact Kid.

Beyond boxing

The work is personal.

Gary shares his own 2026 fitness transformation and the discipline behind it.

See more training and follow Gary on Instagram @kidstarkjr.

Meet your coach

Gary “Kid”
Stark Jr.

A lifetime in sports. A fighter’s eye for the details that make people better.

Gary “Kid” Stark Jr. grew up in New York boxing gyms as one of the first fighters coached by his father, Gary Stark Sr. Their work together helped shape Kid’s career and a shared commitment to teaching the sport. He also learned from Roger Mayweather, Naazim Richardson, Nirmal Lorick, and Andre “Uncle Dre” Rozier.

Kid became a three-time New York Golden Gloves champion, won gold at the 2002 Empire State Games, and built a 25–3 professional record with nine knockouts. He won the New York State Featherweight title. When he turned professional in 2002, he became the first and only boxer signed to the legendary Roc-A-Fella Records, with Jay-Z and Damon Dash backing and managing the start of his career. In 2026, he was inducted into a boxing hall of fame.

Today he teaches boxing from the ground up, with close attention to stance, footwork, timing, defense, and purposeful conditioning. His coaching is demanding, detailed, and tailored to the person in front of him—whether that person is stepping into a gym for the first time or preparing for a fight.

Beyond the ring

Built across sports.

As a lead trainer at Chelsea Piers Fitness, Gary pursued certifications in health and fitness and expanded his work beyond boxing. He is a NASM Certified Personal Trainer and USA Triathlon Coach Level 1. An endurance athlete himself, he has completed 11 triathlons and two New York City Marathons, and finished first in his age group at the 2019 Mahopac Triathlon.

Baseball was his first passion. Gary was the starting second baseman for Kingsborough Community College’s 1999 CUNY championship team. With a partial scholarship opportunity ahead of him, he chose to pursue amateur boxing. In 2021, he returned to the diamond as an assistant coach with the College of Staten Island Dolphins softball program.

Kid crossing a triathlon finish line.
Coaching experience

From champions to first-timers.

Gary’s work has included boxers Sadam Ali, Amanda Serrano, and Richard Commey, as well as developing fighters. He has also trained performers including Sophie Turner, Sam Rockwell, and Isiah Whitlock Jr.

That range is central to Stark Boxing & Fitness: serious coaching, adapted to each person’s experience and goals.

Train Hard Stay Stark circular STARK Boxing logo
Experience behind every round

Train with purpose.

Championship boxing knowledge, taught with attention to your goals and where you’re starting from.

BoxingUSA Boxing Coach
Personal trainingNASM Certified Personal Trainer
EnduranceUSA Triathlon Coach Level 1
Start training

Let's get to work.

Tell me what you want to work on and we’ll find the right session for you.

Email Kid