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Stronger. Faster. Healthier.
Your Best Finish Line Awaits
Proven age-group triathlon coaching to train smarter, push limits, avoid burnout, and unlock your true potential.
・30 Years of Experience ・Elite Certifications ・Proven Results ・Athlete-Centered Approach.
Personalized coaching to help you train smarter and race stronger—through one-on-one or group programs tailored to your goals, your body, and your lifestyle.
From nutrition and mindset strategies to sport-specific training tips, our resources keep you informed, motivated, and performing at your best.
Train and celebrate alongside the triathlon community through local training meetups and team races where athletes come together to support and inspire one another.
As seen in:
Triathlon isn’t just about pushing harder.
it’s about training smarter.
Our goal is to help you build strength and resilience without burning out.
At Full Circle Coaching, we take a whole-body approach to performance. By combining science-backed training, nutrition strategies, mindset tools, and recovery practices, we help you get faster and stronger while respecting your body’s limits. The result? Consistent progress, fewer injuries, and the energy to keep showing up for the sport you love.
OUR TRAINING PHILOSOPHY
More Than Miles.
It’s a Whole-Body Experience.
At Full Circle Coaching, training goes beyond the swim, bike, and run. We integrate mindset, movement, and nutrition so you can train with precision, race with confidence, and love the sport for years to come.
A personalized training program based on individual assessments tailored to your race goals.
MEET ERINNE
She's not just a triathlon coach
She’s your partner in helping you achieve your dreams.
Coach Erinne Guthrie, founder and Chief Results Officer of Full Circle Coaching, has been guiding triathletes since 1997 with a proven blend of science-backed training and holistic lifestyle coaching.
A USA Triathlon Level II Certified Coach with over 28 years of racing experience—including 380+ triathlons and countless podium finishes—she helps athletes train smarter, fuel better, and race stronger without injury or burnout.
Passionate about balance and long-term success, Erinne has transformed the performance and well-being of thousands of athletes while continuing to give back to the triathlon community through clinics, events, and inspiring challenges.
30
Years Racing
28
Years Coaching
380+
Triathlons
1,000+
Coached Athletes
10,000+
Finish Lines
Whether you want group accountability or one-on-one coaching, we’ll meet you where you are and design a path to your next PR.
The Full Circle Performance Program™
Our most complete program, combining personalized triathlon training with holistic nutrition, mindset, and lifestyle coaching to help you achieve peak performance without burnout.
Beginner Tri Program
A supportive, step-by-step program designed to guide new triathletes through training, nutrition, and race-day preparation with confidence.
Single Event Programs
Targeted programs that focus on mastering one discipline for faster, more efficient racing or to dial in your nutrition for health, weight loss or performance.
Free RESOURCES for triathletes
Build strength. Prevent injuries.
Race with confidence.
Get my free strength training video series and start your season stronger than ever.
These quick, targeted workouts are designed to build stability, boost power, and give you the foundation every triathlete needs for faster, injury-free racing. Download the free series today and take the smart first step toward peak performance.
Your Best Race Starts Here
Join the Triathlon Community Built to Help You Succeed.
Let’s build the mindset, body, and strategy you need to cross your dream finish line stronger than ever.