Adults training in group fitness class
Built Strong Fitness logo
HAWTHORNE, NJ

Get Strong.
Stay Strong.

Adult group fitness for every age, gender, and goal. Coached strength & conditioning at the home of Bolt Speed Academy.

FREE TRIAL CLASS

Drop in, sweat with us, see if it fits. No commitment.

ALL
Levels Welcome
30+
Classes Weekly
100%
Coach-Led
7 Days
A Week Open
OUR CLASSES

Train Your Way

Programmed, coach-led group classes designed to scale to your level — beginner to advanced.

Strength

Strength

Build real-world strength with barbell, dumbbell, and kettlebell work. Programmed progressions for every level.

HIIT & Bootcamp

HIIT & Bootcamp

High-intensity intervals that torch calories, build endurance, and push your limits in 45 focused minutes.

Conditioning

Conditioning

Functional movement, mobility, and metabolic conditioning to keep you moving and feeling great daily.

HOW IT WORKS

Start In 3 Steps

01

Book Your Free Trial

Pick a class time that works for you and reserve your spot in one click.

02

Show Up & Sweat

Meet your coach, learn the movements, train alongside a community that has your back.

03

Build Your Routine

Choose a membership and lock in the habit. We program — you show up and get stronger.

WHY BUILT STRONG

Not Just A Gym.
A Training Home.

Built Strong Fitness is the adult companion to Bolt Speed Academy. Same proven coaching standards, same elite facility — built for everyday adults chasing real results.

  • Expert coaches who actually coach — every rep, every class
  • Programs scale for total beginners through experienced lifters
  • Welcoming community of adults of all ages and backgrounds
  • Shared facility with Bolt Speed Academy — train where athletes train
  • Flexible schedule with morning, midday, and evening classes
  • No long contracts — month-to-month memberships
Coach-led training
SCHEDULE

Classes Daily

A typical weekday — full weekly schedule available on request.

5:30 AM
Strength
6:30 AM
HIIT
9:00 AM
Conditioning
12:00 PM
Strength
5:30 PM
HIIT
6:30 PM
Strength
GET STARTED

Ready To Build Strong?

Reach out today to claim your free trial class. We'll match you to the right time and program for your goals.

Located in Hawthorne, NJ — inside Bolt Speed Academy