Fierce
Fitness

established 2009

Fierce Fitness a women-only boutique training studio In Lawton, OK built for strength, confidence, and transformation. We provide a results-driven environment where women of all fitness levels are empowered to train with intention, challenge limits, and build lasting confidence. Through expert coaching, thoughtfully designed programming, and a supportive, uplifting community, we help women develop both physical strength and mental resilience.

Members enjoy access to personal training, group exercise classes, personalized nutrition coaching, and sport-specific training for bodybuilding, powerlifting, and HYROX. Every detail of Fierce Fitness is designed to support purposeful training and fierce living—inside and outside the gym.

What We Offer

Meet Mandy Johnson

Mandy Johnson is the founder and owner of Fierce Fitness, a women-focused training studio built on strength, confidence, and community. With a B.S. in Exercise Science from Cameron University, Mandy brings both academic knowledge and decades of hands-on experience to every client she serves.

Mandy holds multiple professional fitness certifications including NASM Certified Personal Trainer and Nutrition Coach, Girls Gone Strong Pre and Postnatal Certification, Eat to Perform Level 1 Certification, as well as Nutrition and Bodybuilding certifications through the Clean Health Institute- allowing her to coach women safely and effectively across all fitness levels- from beginners to advanced athletes. She is committed to continuing education and staying current with evidenced- based training methods to ensure her clients receive high- quality, results- driven programming.

In addition to her coaching credentials, Mandy is a competitive athlete with an extensive training background. Her experience as a disciplined competitor has shaped her coaching style, emphasizing consistency, accountability, mental toughness and balance. She understands, firsthand, the dedication required to pursue excellence while managing real life, and she brings that understanding into every training relationship.

Mandy is known for her ability to educate, motivate, and empower women. She believes fitness is more than physical transformation—it’s about building confidence, resilience, and strength that carries into every area of life. Through Fierce Fitness, she has created a space where women feel supported, challenged, and capable of becoming their strongest selves—inside and out.