Our Team

Erin McCarthy
Head Coach
CF Level 1
CF Level 2
CF Kids
CF Gymnastics
CF Aerobic Capacity
LuluLemon Ambassador


Erin was born and raised only a few miles outside of Boston but she, along with her husband Pat and their two young children, now proudly call Vermont home. In addition to sharing parenting duties, Erin and Pat share a deep enthusiasm and passion for CrossFit, and the incredible relationships and camaraderie that inherently come with this unique fitness experience.

Erin was raised in a large family that cultivated the importance of an active lifestyle from a young age. She began working at a local health club since the age of 15 and was a competitive cheerleader and dancer while growing up. After high school Erin stayed active competing in marathons, triathlons, and various fun runs. In 2009, after the birth of her daughter, she made the life changing decision to join CrossFit. Erin started coaching in 2013, and in 2014 she changed her full-time career in order to achieve her goal of sharing her CrossFit experience and passion with others, and improving their quality of life, by opening the doors to MountainTrail CrossFit.

Supporting others is as important to me as believing in myself. I plan to thrive on your success. I want you to be healthier, stronger, faster, and fitter. I am a judgment free zone excited to work with each one of you to break down whatever barriers you show up with. CrossFit has been a gift that I cannot wait to share with you, and it is my hope that my experience, patience and passion will help you realize that you have the power to change and do anything you desire. You can flourish at any age or size; you just need to show up.


Stewart Ashley
CF Level 1
CF Striking
CF Weight Lifting


_DSC0951Born Burlington, VT. 54 Years ago.

Attended Westford Elementary School, Essex Junction Educational Center, and University  of Vermont and American Military University. Bachelor of Arts, American Military History.

• 1981 Mr. Boca Raton second place middleweight division.
• Vermont City Marathon  8 time finisher.
• Dozens of triathlons including Bud Light series, Burlington Triathlon and Colchester Triathlon.
• Two time finisher Vermont 50 miler as runner and ½ dozen times on mountain bike.
• Amateur boxing 1987-1989, including two times Vermont Golden Gloves.
• Death Race finisher 2007.

Learned about Crossfit in 2006 while working in Iraq. Looking forward to sharing my knowledge and enthusiasm for the sport with members of Mountain Trail CrossFit.


Emily Rouleau
CF Level 1

Emily Pic for Website

Born and raised in Vermont, Emily is no stranger to both team and individual sports. From a young age Emily was introduced to the importance of a healthy and active lifestyle and was extremely fortunate to have parents who supported her to no end. Emily always wanted to be a part of everything, so much that she often played 2 sports or for 2 teams simultaneously. Soccer, lacrosse, and hockey were the focus of her high school career paired with swimming and gymnastics. As a collegiate athlete, Emily played NCAA Division II lacrosse and rugby for Franklin Pierce University. She has also completed 8 marathons and other various triathlons and Spartan races.

After college Emily found herself missing the team aspect and having a coach who would push her to be better. She played for local soccer and rugby teams and worked out regularly at the gym but they weren’t enough the fill the void. She found Crossfit during the summer of 2014.

Why do I CrossFit? It’s intense, fast, and loud; 3 of my favorite things. The sense of community you find within your box is unlike any team I’ve ever been a part of. You won’t understand its power until you try it yourself! Having friends cheer you on and push you to succeed is an unbelievably powerful force, and it’s also just flat-out fun. We thrive off of one another. I’ve always thought of myself as athletic and strong, but never knew I had the ability to showcase my strength like CrossFit has allowed me to. It made deciding to become a coach an easy decision; I love teaching and I love fitness. I have my sights set on competing more to see where CrossFit can lead me next. Throw out all of the stigmas and stereotypes you’ve heard and don’t knock it until you’ve tried it! You’ll be surprise what your body is able to do.

Emily currently resides in South Burlington with her dog Sydney. She teaches 3rd grade at St. Albans City School and is months away from completing her Master’s Degree in Mathematics from the University of Vermont.

Deryk Roach
CF Level 1


Born in Thompson, Connecticut, in 1978, Deryk lived in several different states before attending high school in central Massachusetts. He grew up primarily as a three sport athlete involved in soccer, hockey and baseball, continued through high school (attained 1st and 2nd team all-state honors Division 2 soccer/hockey his senior year), and via club sports at the University of Massachusetts, Amherst. As an adult, Deryk has enjoyed volunteer coaching his two young sons, running half marathons, golfing, and playing co-ed soccer and hockey in local adult leagues. Deryk found CrossFit in May 2014, received his CF Level 1 at Reebok One in Canton in March 2015, and has enjoyed coaching part time at MTCF ever since. As a lifelong athlete, injuries and normal wear and tear had begun to creep their way into Deryk’s routines, causing delayed recovery and continued setbacks to the point that he needed to make a holistic change in his methods and approach. He joined CrossFit with his wife Colleen and has achieved continued improvement while minimizing injuries and meeting some great people along the way. “The support and comradery at MTCF inspires me to be consistent about showing up, but the process of CF is only partially physical. I have grown more confident, mentally tough, and positive about life and all of its challenges. Cross Fitters sacrifice themselves on a daily basis, with each other, in order to support one another and to test their own physicality – that feeling of accomplishment is what keeps me coming back.”