MEET THE CREATOR

Khelvin Reyes is a certified elite trainer specializing in personal training, health coaching, nutrition, and strength & conditioning. With credentials from the International Sports Sciences Association and experience as a former Equinox trainer, Khelvin brings a wealth of expertise to SFIDA. Beyond fitness, he is also a registered nurse with a background in clinical psychology, equipping him with a unique, holistic perspective on wellness. His journey includes a successful career as an international model, where he discovered his deeper passion for fitness, resilience, and personal development. Through SFIDA, he aims to share these transformative lessons and guide others toward a healthier, more fulfilling lifestyle.

SFIDA’s PHILOSOPHY

SFIDA

(Italian, noun)

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Challenge

An invitation to push beyond limits. A dare to rise. A call to become more.

SFIDA, derived from the Italian word meaning "CHALLENGE," is built on the philosophy that true growth happens outside of comfort zones. We bridge fitness, lifestyle, and social networking, creating a space where wellness is a shared journey.

FOCUS


Encouraging individuals to challenge themselves and push beyond their limits.

Fostering a fusion of lifestyle, wellness, and deep human connections.

Offering tailored programs that align with personal goals, lifestyles, and conditions.

Providing a holistic approach to fitness and well-being.

Strengthening and deepening human connections through community-driven initiatives.

MISSION

SFIDA is dedicated to helping individuals achieve their fitness goals and elevate their quality of life through customized programs tailored to their unique needs. We cultivate a community where people are empowered to challenge themselves and grow—not just physically, but mentally and emotionally. SFIDA is more than fitness; it’s about lifestyle, connection, and continuous self-improvement.

VISION

To become the leading social wellness platform where members and mentors challenge and support each other in becoming the best versions of themselves.

SERVICES

Achieve your fitness goals with expert coaching tailored to your needs:

  • Personalized guidance to help you build lifelong healthier habits.

  • Flexible training programs accessible from anywhere.

  • Structured fitness plans available as one-time purchase as PDF.

  • Start strong—with zero commitment. Join our free weekly SFIDA Run Club – Saturdays in NYC. All levels welcome. Come for the movement, stay for the connection. Or test out our free trial including 2 Training Sessions.