Redefining Performance Strength Development for Athletes

The SCIENCE and ART of building strength for athletes of all ages and sports

 ECFIT Performance Strength provides proven, science based training strategies designed to ensure tissue health, enhance movement quality, support hormonal balance and decrease the opportunity for injury.  

ECFIT Athletes realize performance gains by enhancing overall health, maintaining muscle and joint balance and taking the time to focus on the quality of their movement in conjunction with their sport specific training.

Quick Start Program

Gain access to the most proven methods of strength building strategies that have been used by Olympians, World Champions, and World Tour Champions in running, cycling, and triathlon.


  • 30 days of ECFIT Premium Membership
  • One 45 minute private consultation with ECFIT Founder and World Champion Coach Erin Carson

ECFIT Strength Programs App

Get mobility and strength building programs for all endurance sports.  ECFIT Boulder Programs (and Custom Programs) use short form video clips to demonstrate each movement as well as describing, sets, repetitions, weight selection and rest intervals.

ECFIT Strength OnDemand 

ECFIT Strength On Demand utilizes web streaming workouts for endurance athletes of every level. Train harder, longer, and without injury with these proven training strategies. ECFIT Strength On Demand uses long form video format to guide and coach you through each session.

With over 100 training sessions to choose from this provides hours of world class strength coaching.


ECFIT Premium Membership

Get access to the most proven methods of strength building strategies that have been used by Olympians, World Champions, and World Tour Champions in running, cycling, and triathlon.

With ECFIT Premium your weekly schedule is provided using Training Peaks, you gain access to weekly LIVE training sessions and become a member to our very active training community.

Sign up here to receive important updates for your ECFIT workouts! 

Join our community

Monday Mobility LIVE on YouTube 

I’m on YouTube every single Monday at 6:45 am Mountain Time to get your week started off in the right way! Join me to enhance mobility & stability, build strength and decrease your chance for injury!

Optimize your training

Why you should strength train for Triathlon

Why you should strength train for Triathlon

Training for triathlon is a practice in time management.  Finding the time to swim, bike and run as well as lift weights is an ongoing dilemma.  Adhering to a well-designed strength program to ensure tissue health, maintain healthy bodyweight, optimize hormone health,...

Athlete Testimonials

Erin Carson’s strength training system is unlike anything I have ever done before. Doing these exercises twice a week allows my coach to push me even harder in swim, bike, and run disciplines. It is great for injury prevention and gives my body the balance that training for triathlons takes away from it.

Mirinda Carfrae
World Champion Triathlete

Since I started working with Erin in 2014, I feel like a completely different athlete. I’m more stable and powerful, and can back up multiple hard training sessions without breaking down. Erin’s program is specific for endurance training, and her periodization into different phases of the year allows me to improve throughout each season.

Paula Findlay
Olympian and World Champion

My work with ECFIT strength and conditioning over a period of two years helped my performance more than I could have expected! The gym work was one of the most valuable sessions of my week. Keeping on top of things in the gym helped me stay injury-free and race consistently at a high level.

Flora Duffy
4x XTerra World Champion

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