Gareth Thomas (FFI/ NCF/ RAW/ ITEC)

Over the past 18 years, Gareth Thomas has earned the reputation of being a world-class endurance coach & athletic consultant. Highly qualified from advanced fitness and coaching skills to holistic therapies, sports psychology and nutrition, Gareth brings a tremendous wealth of knowledge and expertise to his clients. As an Ironman Triathlete and former member of Team Great Britain at the World Long Distance Championships, Gareth has a personal understanding of what it takes to perform. He couples this with a highly technical understanding of the science and practicalities of training. He is regarded as a leading authority on metabolic testing and its application to endurance athletes. He has recently launched the TRIO Performance Center, which is SoCal’s premier sports science laboratory and training facility.

Over the years, his range of clients has included:

  • National & World Champions in Triathlon, Duathlon & Mountain Biking
  • Ironman Champions, Top Pro Finishers & Age Group Ironman Champions
  • ITU Professional Triathletes including Elite Canadian & USA athletes
  • National Age Group Champions & National Team Representatives
  • Professional Mountain Bikers (X-Country)
  • National Road Racing & Criterium champion cyclists
  • Elite & Recreational Road Cyclists & Runners
  • Executives & Newcomers to the Athletic Lifestyle

Gareth was the Head Coach to the UCLA Triathlon Team for 6 years developing the first ever Triathlon scholarship program at a US university. He has also been the Head Coach of the Fox TV Triathlon Team, Sports Science Consultant to the Ritte Racing Cycling team & was the original Head Coach of the Los Angeles Team in Training Ironman Team.

Furthermore, Gareth writes & lectures extensively on the development of the endurance athlete. He is a regular columnist in the LAS&F magazine and has contributed to and been featured in Triathlete Magazine, Active.com, Xtri.com, Competitor Magazine & others.

All Coach Gareth services are custom to the individual. All training programs are based on the individual’s personal metabolic profile, structural make-up, lifestyle, goals, time constraints and athletic history. Coach Gareth works with his own, carefully chosen network of strategic partners to deliver the most complete health, fitness & performance solution. These include Professional Bike Fitters, Massage Therapists, Orthotics Designers, Chiropractors, Equipment Specialists, Physical Therapists & Physicians

Gareth believes that everyone is an athlete and the techniques used to train the finest athletes in the world are equally applicable to the newcomer. Gareth offers the complete solution for athletes of all abilities, from all endurance sports.

I have been working with Gareth for 5 years now. He has taken my training to the next level. From finishing my first Ironman to setting PR’s and podium finishes on Olympic distance races, Gareth is always just a phone call, email, or text message away. – James Hartzberg

Hall of Fame

Some of the athletes coached & advised by Gareth, past and present:

  • Spencer SmithSpencer Smith: 2-time World Triathlon Champion, Ironman Champion
  • Chris McCormackChris McCormack: 2-time World Triathlon Champion, Ironman Champion
  • Katja SchumacherKatja Schumacher: Multiple Ironman Champion, Wildflower Triathlon Champ
  • JanJan Strangmuller: Multiple Professional Ironman Champion
  • Julie PittsingerJulie Pittsinger: 2006 Pan American Triathlon Champion & Olympian
  • Christine Jeffrey: Elite Canadian Professional Triathlete
  • Ruby Evans<Ruby Evans : World Masters MTB X-country Silver Medalist 2004 & 2005
  • Paul ThomasPaul Thomas: Multiple US Duathlon Champion
  • Georgene VairoGeorgene Vairo : US National Masters Road & Criterium Cycling Champion
  • Ray CaballeroRay Caballero: Calfornia State MTB Champion
  • Joy DuerksenJoy Duerksen: Calfornia State MTB Champion
  • Jamey YanikJamey Yanik: Elite MTB Professional and Xterra Triathlon Champion
  • Christie PleissChristie Pleiss:
    MTB Professional Rider
  • Amy BowenAmy Bowen:
    MTB Professional Rider
  • Katya Meyers: Age Group Ironman Champion & Professional Triathlete
  • Ken BlakeleyKen Blakeley: Ironman Age Group Champion
  • Cherryl RoseCherryl Rose: Age Group Ironman Medalist & Hawaii Ironman qualifier
  • Claudia CamposClaudia Campos: Age Group Champion, Wildflower and Los Angeles
  • Brady O'BryanBrady O’Bryan: US Collegiate National Champion
  • KathrynKathryn Donovan: Professional Triathlete & Pro Cyclist