R2R EXPERTS

Your Trusted & Experienced Specialists

Meet your seasoned adventurers and trail specialists who will be sharing their knowledge on key topics to help you prepare for every aspect of the journey. From trail insights to wilderness tips and nutrition, their guidance will support and inspire you every step of the way.

Coach Arnie Fonseca Jr.

DATE: 06/30/25

TIME: 8:00 PM ET

TOPIC: Learning to Dance with the Canyon

BIOGRAPHY: Two time Double R3 Finisher Over Age 60

  • Only 60+ athlete to complete a Double R3 at the Grand Canyon—twice.

  • Exercise Physiologist, Traumatic Injury Specialist

  • Chronic Pain Recovery Specialist

  • Strength and Balance Coach

  • Taught K–6 P.E. and loved every minute of it.

  • Former competitive powerlifter with a soft spot for first-time adventurers.

Coach Arnie Fonseca Jr. is not your average coach—he’s your Grand Canyon guru and go-to guide for mastering the "Downhill Dance," getting "Bouncy," and becoming truly "Fall Proof."

With more than 40 years of experience as an Exercise Physiologist, Traumatic Injury Specialist, and Grand Canyon Training Consultant, Arnie brings a powerful mix of science, grit, and soul to every step of your Rim-to-Rim journey. He’s helped people from all walks of life, especially those 50+, build injury-proof bodies, reclaim movement, and train smart for life's boldest adventures.Whether you’re preparing for your first epic hike or seeking to level up your resilience, Coach Arnie is here to make sure you’re Canyon-ready—in body, mind, and spirit.

Follow Coach Arnie on Facebook! LINK

Meg Whitbeck, MS, RDN

DATE: 07/15/25

TIME: 8:15 PM ET

TOPIC: Performance Nutrition

BIOGRAPHY: Meg Whitbeck, MS, RDN
Registered Dietitian | Co-Founder, Nu, LLC

Meg specializes in sports and performance nutrition. She works with athletes of all ages—from teens to endurance adventurers—helping them fuel smartly for training, recovery, and real life. Her food-first approach minimizes reliance on supplements, focusing on what your body truly needs to perform and feel its best.

With a background in clinical care, education, and program development, Meg brings over 15 years of experience and a practical, personalized approach to every client. A lifelong runner turned hiker and rucker, she understands the demands of training and the power of smart nutrition.

📩 Schedule a 1:1 consult: Meg@Nu-pros.com