Yohan Manoj Rathnayake (born 7 April 1988) is a Sri Lankan fitness entrepreneur, coach, HYROX athlete, and the founder of FHIIT (Functional High-Intensity Interval Training), a rapidly expanding hybrid-fitness brand in South Asia.
Rathnayake was born on 7 April 1988 in Sri Lanka. He began competitive swimming at a young age, training as a professional swimmer at national level. His early athletic exposure shaped his interest in high-performance conditioning and functional training.
FOUNDING OF FHIIT
Rathnayake founded FHIIT in Sri Lanka as a boutique high-intensity training studio. The brand is known for blending functional strength, conditioning, and entertainment-driven group workouts. Under his leadership, FHIIT expanded into:
• FHIIT FE – a women-exclusive facility
• HIART™ – High-Intensity Active-Rest Training
• Merchandise, supplements, and wearable-tech developments
FHIIT is considered one of the fastest-growing community-based fitness ecosystems in Sri Lanka, with regional expansion plans into the Philippines, Malaysia, and Southeast Asia.
Rathnayake focuses on creating a lifestyle-driven fitness culture. His work includes:
• Designing hybrid-fitness arenas
• App-based HR monitoring ecosystems
• Community fitness events
• Sports tourism partnerships
• Athlete development initiatives
Rathnayake competes internationally in HYROX Open category events and is known for targeting sub-60-minute finishes. His participation contributed to raising hybrid-competition awareness in South Asia. He has engaged with HYROX India on potential Sri Lanka expansion.
• Recognized as a leading fitness entrepreneur in Sri Lanka
• FHIIT became the first fitness brand in Sri Lanka to win at the SLIM Awards
• Popularized hybrid fitness and HYROX-style training in Sri Lanka
• Developed fitness programs used by both athletes and general population
Rathnayake is married to Jessica Silva, a fitness professional and co-founder of FHIIT FE. They manage the FHIIT ecosystem together. He is also a father and emphasizes family as a core inspiration.
Known for his motivational communication style, Rathnayake publishes daily inspirational messages signed “– YMR.” He is recognized for modernizing Sri Lanka’s fitness culture by merging performance training with lifestyle motivation.
