Stacey Miller   Sonic Endurance

Looking to join a great team? Not quite sure you are ready for the commitment of one on one coaching? Join our Sonic Endurance Team and get the benefits of coaches who can advise and a group of the most welcoming and inspirational athletes!

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We can help you achieve your goals... purchase a training plan and want more? We will offer you a discount if you join after purchasing a plan!


I’ve been passionate about helping others achieve their goals since 2010. This passion has only grown stronger over nearly the past decade. In addition to my Sonic Endurance responsibilities, I also manage my three active and growing kids, who are 9, 11, and 13.
Whether it’s working with athletes that are new to the sport, or seasoned athletes looking to take on a new distance or challenge, I love the shared joy that comes from seeing results in my athletes. I most enjoy working with athletes who are passionate about their goals and are looking to take their training to a new level. Drawing upon my strong background in the individual and group coaching atmospheres, I will build you a personal program that is designed to meet your goals and needs. I am well versed in the challenges that both beginner and seasoned triathletes face. That said, I take it as a personal challenge to ensure my athletes develop the tools needed to get to the start line healthy, happy and ready to race. Thus, you should expect that I will engage with you on a regular basis, and that your program will be designed to allow you to find enjoyment and success in our sport.
I believe that success lies not only in the swim, bike, run but also in the recovery and nutrition. I am excited to help you achieve your goals. As an athlete, my passion lies in long course racing. When not on the race course, our family enjoys swimming, skiing and traveling.


Lansdale, PA
United States

Preferred Athlete Levels

Beginner, Intermediate, Advanced


1-on-1 Coaching, Consultations, Group Coaching, Local Coaching, Remote Coaching, Run Analysis, Swim Analysis

Sport Types

Triathlon, Cyclocross, Swimming



Athlete Requirements

Motivated, passionate, excited


Lansdale, PA
United States