Doug Guthrie
Doug Guthrie Gu3Training
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Doug Guthrie
Level 2 Coach

This is the highest level of TrainingPeaks accreditation. Level 2 coaches have completed TrainingPeaks University and have demonstrated their ability to utilize metrics in TrainingPeaks. They can provide you with the expert instruction and feedback you need to achieve your goals.

Learn More about TrainingPeaks Level 2 Coaches

TrainingPeaks Certified Coach Level 2
Doug Guthrie Gu3Training
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Location

Winter Springs, FL , United States

Languages

English

Sport Types
  • Triathlon
  • Running
  • IRONMAN
  • Corporate Wellness
Services
  • Consultations
  • Group Coaching
  • Local Coaching
  • Remote Coaching
  • Mental Skills
Athlete Requirements
I work with all athletes of any level who have a passion for achieving goals.
Meet Your Coach
Doug Guthrie
TrainingPeaks Certified Coach Level 2
Doug Guthrie Gu3Training
https://www.gu3training.com/
Winter Springs, FL United States 32708
Coach Bio

I am a USAT L1 and TP Level 2 80/20 Certified, Ironman Certified and over two decades of experience, I’ve coached first time age-groupers and elite Ironman competitors. What matters most is building programs that fit your life—your schedule, your goals, your journey.
My role is to help you train with purpose, balance, and belief. I remove the guesswork and turn ambition into a plan you can act on—because with the right guidance, you’re closer than you think.

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At Gu3 Training, my mission is simple: to help athletes believe in themselves, push their limits, and achieve goals they once thought impossible.
I started my triathlon journey in 2002 as the swimmer in a sprint relay—barely finishing, but igniting a dream: to qualify for the Ironman World Championship in Kona. After years of setbacks—including major injuries—I achieved that goal through determination, persistence, and belief.
Over 20+ years, I’ve completed 29 Ironman races, countless 70.3s, and qualified multiple times for Boston. I’m an 9-time Ironman World Championship finisher, Ultraman Florida finisher (2023), and the USA Triathlon National Champion (55–59) and Masters Champion. I hold the course record for The Great Floridian (M50–54) and was Florida State Masters Marathon Champion (2019, 3:10).
In October 2023, I coached Adrienne Bunn to a world record at the Ironman World Championship—becoming the youngest to ever finish (12:41) and placing first in the PCID Division. I've proudly guided her journey since May 2023.
“All knowledge is experience, everything else is just information.” —Albert Einstein

As a coach, I specialize in working with first-time Ironman athletes—meeting them wherever they are and building a partnership that leads to success on race day. My mission is to guide you through this life-changing process and help you reach your goals… just like I did.

Preferred Athlete Levels
Beginner, Intermediate, Advanced, Professional
Coach Package Pricing
  • TrainingPeaks Premium Account
  • Free initial consultation with a hand-selected accredited coach
  • Custom training plan built around your life
  • 2x emails per month
  • 1 phone call per quarter
  • 1x plan adjustments per month
  • TrainingPeaks Premium Account
  • Free initial consultation with a hand-selected accredited coach
  • Custom training plan built around your life
  • UNLIMITED emails
  • 1 phone call per month
  • 2x plan adjustments per month
  • Personalized coaching feedback on key workouts
  • TrainingPeaks Premium Account
  • Free initial consultation with a hand-selected accredited coach
  • Custom training plan built around your life
  • UNLIMITED emails
  • UNLIMITED phone calls
  • UNLIMITED plan adjustments
  • Personalized coaching feedback on every workout
Have a question? Contact me.

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Address:

1103 Cheetah Trail
Winter Springs, FL
United States
32708