Introducing the RxFIT - Holladay Team

Meet the fitness experts ready to help you achieve your fitness goals and your potential.

Our Founders

Tyler Welch & Mark Mckellar owners of RxFIT - Holladay

Mark Mckellar & Tyler Welch

Tyler and Mark met back in the summer of 2012 at a youth church camp. Tyler from Ohio, Mark from Arizona, stayed in touch through the years and linked up in Fall of 2015 during their 1st year at Brigham Young University. Both having a love of CrossFit and Exercise, took over Provo CrossFit in December of 2016, then opened up their 2nd location in Springville in 2018. They have since rebranded the name to RxFIT in January of 2019. In 2021 they opened up new RxFIT Gyms in Holladay, Utah and Holladay, Utah. Their vision is to continue to open gyms and spreading the power of group classes fitness around Utah.

Our Professional Coaches

TYRE AGUILAR coach at RxFIT - Holladay

TYRE AGUILAR

Coach
CF Level 1 Certified
CF Level 2 Certified

Coach Tyre has been with RxFIT since 2017 and a coach since 2018. She is married to Johnny (a truly beloved gym member in our community) and a mom to Luna the Lab.
tyre@rxfit.health

Tyre is our Head Coach and has successfully ran numerous gym events such as the Sick2Well2Fit Health Challenge, Festivus Competition, Utah Spartan Race, Ragnar Race at Zions, and Hike to Timpanogos! Tyre coaches all the morning classes (4) in Provo, and is a particularly big favorite among the Provo members. Coach Tyre is a hard worker and a loyal friend to all at RxFIT. We love her!

MIRANDA MERRELL coach at RxFIT - Holladay

MIRANDA MERRELL

Coach
CF Level 1 Certified
CF Level 2 Certified

Coach Miranda has been coaching for RxFIT since 2018 and has been in the community for 10 years. Coach Mig is the wife to Rob Merrell (a beloved gym member in our community) and a mom to 3 beautiful kids.
miranda@rxfit.health

FERNANDA HERNANDEZ coach at RxFIT - Holladay

FERNANDA HERNANDEZ

Coach
CF Level 1 Certified
CF Level 2 Certified

Coach Fernanda has been with RxFIT since the beginning of 2019, and has been in the community for the last 10 years. There's never been another coach we've had that is more passionate and excited to coach, than Fernanda.
fernanda@rxfit.health

KYLE BRODERICK coach at RxFIT - Holladay

KYLE BRODERICK

Coach
CF Level 1 Certified
CF Level 2 Certified

Coach Kyle has been a member of RxFIT Since Fall of 2019 and a coach since Summer of 2020! Kyle is an undergraduate at BYU studying Information Systems, and a huge bright light in the gym!
kyle@rxfit.health

RILEE STONE coach at RxFIT - Holladay

RILEE STONE

Coach
CF Level 1 Certified

Coach Rilee originally joined RxFIT in 2018, and recently joined back as a coach in 2021! She's a Mom of 2 kids and has always been a lover of CrossFit! She got her L1 in December of 2018 and has experience in being a part of many different gyms.
rilee@rxfit.health

MORGAN WITHERS coach at RxFIT - Holladay

MORGAN WITHERS

Coach
Gym Intern
On Ramp Coach

Coach Morgan has been a member of RxFIT since 2018! She is a student at BYU studying Information Systems in the Marriott School of Business. Morgan is currently interning at the gym and holds the responsibility for Social Media, On- Ramp Sessions, and overall Marketing.
morgan@rxfit.health

TYLER WELCH coach at RxFIT - Holladay

TYLER WELCH

Owner
tyler@rxfit.health

MARK MCKELLAR coach at RxFIT - Holladay

MARK MCKELLAR

Owner
mark@rxfit.health

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