About Us
Smarter Training. Stronger Racing. Thriving Athletes.
We take a whole-body approach to triathlon training that goes beyond miles and minutes.
By blending science, nutrition, mindset, and recovery, we help athletes achieve their goals while staying healthy, balanced, and inspired.
Our mission is simple: train smarter today, so you can love the sport for a lifetime.
・30 Years of Experience ・Elite Certifications ・Proven Results ・Athlete-Centered Approach.
we take the whole athlete approach
Training harder doesn’t always mean training better.
You’ve tried all of the training plans, cookie-cutter programs, and quick-fix strategies that promise results… but leave you guessing, frustrated, or sidelined by injury.
But, at Full Circle Coaching, we design every program around you. Your body, your lifestyle, your goals. With personalized testing, holistic coaching, and ongoing support, you’ll finally have a plan you can trust.
You know you want to crush your next race, set a new PR, and cross the finish line feeling strong…but, you want to do all of that without sacrificing your health, your family, or your joy for the sport.
But sometimes, life gets in the way. Work, family, stress, and fatigue can derail even the most dedicated triathlete. That’s why we coach the whole person, not just the athlete.
And we can give you the confidence of knowing exactly how to train, including the energy to balance sport with life, and the strength to race at your best—season after season, year after year.
As seen in:
Full Circle Coaching
Core Values
Meet Erinne Guthrie
Head Coach, Founder & Chief Motivation Officer
Coach Erinne Guthrie specializes in optimizing the performance and well-being of triathletes, blending triathlon-specific training with holistic lifestyle principles to deliver proven, lasting results. Since founding Full Circle Coaching in 2009, she has guided thousands of athletes to cross their dream finish lines with strength, confidence, and balance.
USAT Triathlon Level I Coach
USAT Triathlon Level II Coach
Paul CHEK Holistic Lifestyle Coach, Level III
ACSM-Health Fitness Instructor
USMS Masters Swim Coach Level II
Meet Our Coaches
Our team of certified professionals bring decades of racing, coaching, and lifestyle expertise to the table. Together, we share one mission: helping you train smarter, race stronger, and thrive for the long haul.
Take a look back
Our Story
2025 & Beyond
Helping triathletes achieve their dreams without burnout
2010
Founded Full Circle Coaching and became CHEK Holistic Lifestyle Coach Level 2 and 3
2002
Earned USAT Level 2 Coach Certification
2001
Erinne became an Ironman California Finisher (13:14)
1999
Erinne became one of the first 60 USA Triathlon Level 1 Certified Coaches in the country
1997
Erinne’s First Triathlon
She took 3rd in Athena division
She’s officially hooked!
Wait, before you go
Grab Your Freebie
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.
