Welcome to CrossFit Loop

Here at CrossFit Loop, we are more than just a gym - we are a community of fitness enthusiasts dedicated to helping each other achieve their goals. Located in Castle Rock, Colorado, our 10,000 sq. ft. dedicated space is equipped with top-notch training tools and offers over 50 class times to fit your schedule. Whether you're a seasoned athlete or just starting your fitness journey, we have something for everyone!

Our Fitness Philosophy

At CrossFit Loop, we believe that fitness is not just about physical strength, but also about mental resilience and community support. Our team is committed to providing a supportive and motivating environment where every member feels valued and encouraged. We offer a wide range of fitness classes, personalized training, and Olympic lifting sessions to cater to diverse fitness needs. Our goal is to help you surpass your limits and achieve a level of fitness you never thought possible!

"Our life's dream is to build a CrossFit gym with a vibrant athlete community - Like a family growing together. We want our athletes to come in early, stay late, and bring their friends and family." - Carisa & Chris May, Owners

Join us and be a part of our fitness family!

Meet Our Coaching Team

Dedication. Expertise. Passion.

Owner - CrossFit Level 2

Carisa May

Carisa is the proud owner of this dynamic CrossFit gym, and she is fueled by a passion for health and fitness. She has a deep-rooted desire to witness individuals achieve their personal best. Carisa has been coaching for 3 years and holds a Level 2 certification in CrossFit training. Before running a CrossFit gym she served in the Navy, and worked as a planning engineer for Qwest while raising 3 wonderful children. Carisa is a firm believer in the power of community and perseverance. She strives to create a supportive environment where success stories thrive and victories become a daily occurrence.

Head Coach

Trevor Lane

Trevor has been a CrossFit Athlete since 2017. He began CrossFit as a teen athlete who developed a passion for it quickly! Trevor began his coaching career at Loop in the fall of 2021 and ended up falling in love with the community and the work of helping others improve their lives through fitness. Trevor now hopes to coach for the rest of his life and to help athletes develop their mind body and spirit in our amazing space.

Head Coach - Teens/Preteens

David Boyd

Dave has been teaching movement for nearly 20 years between his time in the military and public service and as a coach inside the gym. As a former Marine/Firefighter/Police Officer, he has also worked directly with high-level tactical athletes where fitness levels can be a true matter of life and death. Dave has had a wide variety of personal history in sports ranging from lacrosse, gymnastics, hockey, and cycling (MTB/Road/BMX) to competing in MMA for several years. He loves to help athletes prepare for the challenges of life physically and mentally. In addition to working with adults, Dave has also been working with youth for nearly as long and has a passion for mentoring the next generation of athletes in and out of the gym.

CrossFit Level 2

Kelly Zellen

Kelly is a dedicated CrossFit Coach with a passion for helping athletes of all levels achieve their fitness goals. With a background in Physical Therapy and functional training, Kelly emphasizes proper technique, injury prevention, and personalized programming to maximize performance and results. Known for her motivating coaching style and a strong commitment to building a supportive community, Kelly inspires athletes to push their limits, embrace challenges, and discover their true potential both inside and outside of the gym!

CrossFit Level 2

Chase Clendennon

Chase has been involved in CrossFit since 2012 and a passionate coach since 2013. He holds certifications in Olympic Weightlifting, powerlifting, Strongman, and a CrossFit Level 2. He brings a wealth of knowledge and experience to the gym. Chase has not only competed himself in strongman and powerlifting but has also coached athletes to state-level meets in Olympic Weightlifting and powerlifting and has even guided an athlete to the CrossFit Games! With his commitment to excellence and passion for helping others achieve their fitness goals, Chase is dedicated to providing top-level coaching and a supportive environment for all members.

CrossFit Level 2

Todd Williams

Todd has been a CrossFit athlete for over six years and holds a CrossFit Level 2 certification along with certifications in Masters and Adaptive Athlete Coaching. Todd spent nearly 30 years in EMS and the fire service which gave him a deep understanding of the importance of physical readiness, resilience, and injury prevention. Whether coaching masters athletes, adaptive athletes, or fitness enthusiasts, his goal is to help individuals improve their strength, endurance, and mobility in a positive and empowering environment!

CrossFit Level 1

Lindzey Machado

With a long-standing passion for fitness, Lindzey has explored various disciplines to challenge her body and mind. For the past two years, she has been dedicated to CrossFit, embracing its intensity and community. Outside of the CrossFit world, Lindzey works as a special education teacher and runs her own photography business on the side. Balancing her passions for fitness, education, and creativity, she strives to make a positive impact in all areas of this crazy life!

CrossFit Level 1

Alex DetWeiler

Alex found CrossFit during his time in college at Indiana University and has been a member at various gyms for the past 11 years.

During subsequent moves from Bloomington to Chicago to Boulder to Denver and finally to Castle Rock, Alex found that CrossFit always provided a way to plug in to a new community and make friends with like-minded people.

After a small nudge from his wife, Alex worked to earn his Crossfit Level 1 Certification and began coaching at Loop in 2024. His favorite part about coaching (and CrossFit in general) is pushing members to achieve new milestones that they had previously never thought possible.

CrossFit Kids

Jada Nass

Jada has been a CrossFit Athlete for 7 years and now leads our CrossFit Kids program here at Loop! As a mother of two, she has always known the power of leading by example. But now, she's not just setting an example at home.

Jada is thrilled to extend her passion to the youth in our community, showing them that fitness isn't just about health—it's about building a foundation for a vibrant, active life through fun and engaging activities.