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Group Fitness Certification Guide

Certification options for aspiring group fitness instructors

Quick Comparison

Certification Cost Format Best For
ACE-GFI $399-699 Online + Exam General group fitness
AFAA-GFI $299-599 Online or Live Workshop Traditional formats
NASM-GFS $499-799 Online Corrective exercise integration
Les Mills $300-400/program Live Training Pre-choreographed programs

Detailed Certification Information

ACE Group Fitness Instructor (ACE-GFI)

Cost: $399-699 depending on package

Prerequisites: 18+, CPR/AED certification

Exam: 150 questions, 3 hours

Recertification: Every 2 years, 2.0 CEUs required

Curriculum Highlights:

  • Exercise science fundamentals
  • Class design and programming
  • Music and cueing techniques
  • Participant safety and modifications
  • Behavior change coaching
AFAA Group Fitness Instructor

Cost: $299-599 depending on format

Prerequisites: 18+, CPR/AED certification

Format: Online self-study or 2-day live workshop

Recertification: Every 2 years, 15 CEUs required

Curriculum Highlights:

  • 5 Questions approach to class design
  • Basic exercise science
  • Class formats (step, cardio, strength, flexibility)
  • Cueing and communication
  • Safety and emergency procedures

Specialty Format Certifications

After obtaining a primary GFI certification, consider specialty certifications in specific formats:

Indoor Cycling

Schwinn, Spinning, Les Mills RPM

Yoga

RYT-200, RYT-500

Pilates

PMA, Balanced Body, STOTT

HIIT/Bootcamp

ACE, NASM, specialty programs

Aqua Fitness

AEA, ACE Aquatic

Senior Fitness

SilverSneakers, ACE Senior

Les Mills Certifications

Les Mills offers certifications in specific pre-choreographed programs used worldwide:

Pro Tip: Many gyms prefer instructors with Les Mills certifications because they can teach branded classes. However, getting a general GFI certification first gives you more flexibility and foundational knowledge.

Getting Started: Recommended Path

  1. Get certified in CPR/AED (required for all certifications)
  2. Obtain a primary GFI certification (ACE or AFAA recommended)
  3. Gain teaching experience through volunteering or subbing
  4. Add specialty certifications based on your interests and job market demand
  5. Continue education to stay current and expand your skills

Job Opportunities

Salary Range: Group fitness instructors typically earn $15-50 per class depending on location, facility type, and experience. Full-time positions with benefits are available at some facilities, especially in fitness director roles.