Group Training
Over 20 group classes per week! From barre to bootcamp, find the workout that fits your style.
Your first class is always FREE
Class types
Six distinct workout formats to keep your training fresh and effective.
FlexFlow
Fluid movements combining flexibility and functional mobility. Reduce stiffness, improve range of motion, and move better every day.
Bootcamp
High-intensity interval training that torches calories and builds endurance.
FMX
Functional movement exercises that improve everyday strength and mobility.
Iron
Strength and weightlifting focused class. Build muscle and get stronger.
Kickbox
Martial arts-inspired cardio that's fun, fierce, and effective.
TRX-Bootcamp
Suspension training circuits that challenge your entire body.
No long-term contracts
Pay as you go or save with a membership. Cancel anytime.
First Class
Try us out!
Single Visit
Drop in anytime
5 Class Pass
3-month expiration
10 Class Pass
Best per-class rate
Monthly Unlimited
All classes included
It's fun to stay fit at The Fort
Voted Best Gym, Best Personal Trainers, and Best Bootcamp in NH, Fortitude delivers group fitness in an inclusive, fun, yet challenging atmosphere.
Our certified instructors bring energy and expertise to every class. Whether you're a first-timer or a fitness enthusiast, you'll feel welcome and challenged.
Your first class is free
Download The App
Get The Fort app to view the schedule and register for classes.
Pick a Class
Choose from 20+ classes per week. All levels welcome!
Arrive Early
Come 15 minutes early for orientation and to meet your instructor.
Ready to join the group?
Try your first class free and see why our members love it here.