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As your coach I am here to help you achieve your goals and reach your potential by providing an effective training plan, motivation, build your confidence, and teach you how to get the most out of yourself! 


Coach Kelli Montgomery is a Connecticut-based endurance coach with 25 years of coaching experience.  She has also spent many years racing in the pro and age-group ranks as triathlete, XC mountain biker, and cyclocross racer.  She uses her years of experience to help her clients to reach their potential and goals, with an emphasis on a healthy lifestyle.


She has helped clients set personal bests, compete and qualify for Triathlon National & World Championships, and guided new triathletes to finish their first triathlon or Ironman. She has also coached athletes for road triathlon, off-road Xterra, mountain biking, cyclocross, bike centuries/tours, marathon/ultra/road racing, and swimming.

Coach Kelli's Credentials

  • Certified USA Level II Triathlon Coach

  • Certified USA Cycling Level 3 Coach

  • Certified ACSM Certified Exercise Physiologist

  • Precision Nutrition Level 1

  • Wellcoaches Health & Wellness Coach Trained

  • Graduate of Syracuse University

Coach Kelli's Racing Stats
  • 2021 Cyclocross National Champion, 50-54

  • Xterra World Champion 2014, 40-44

  • 3rd in Age Group at the Hawaii Ironman World Championship 1997

  • USAT Offroad Overall National Champion 2016 

  • 2018 Pro winner of Xterra Costa Rica and 3rd place in the Pan American Xterra Pro Tour

  • 2023 Cross Country Mountain Bike National Championships, 2nd 50-54

  • Half Ironman / 70.3 PR of 4 hours 34 minutes

  • 2010 and 2012 Hawaii Ironman World Championship Qualifier & Finisher

Coaching Services

  • Customized triathlon training programs (Ironman, Road, Xterra (off-road triathlons)

  • Swim video analysis and coaching 

  • Customized Coaching for runners & cyclists (xc mountain bike, cyclocross, road, and gravel)

  • Sports & General Nutrition



Thanks for submitting!

Wallingford CT

Tel: 203-314-8650


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