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Donovan Racing Development Coaches

Alyssa JRingo

Alyssa, a former UCI Elite XC mountain bike racer cut her teeth on the trails in California. She began racing Pro downhill at 21, then switched to Enduro, and eventually XC. She helped coach a successful high school team in Southern California for 2 years, and then more recently, Team Summit in Breckenridge for 2 years following that. She is now a teacher in JeffCo and dabbles in the local racing scene when she can.


"I’m very excited to get to know the team and help them press on toward their athletic goals in the dirt and also in life" - Alyssa.

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Terol Pursell

Terol started his athletic career as a Division II cross country and track runner specializing in the steeplechase. After college Terol joined the coaching staff at Revolution Running where he was the Littleton head coach before transitioning his efforts to cycling.


Terol started cyclocross in 2015, and was disqualified from his first race, Back2Basics, for signing up in the wrong category. (In 2022 Terol won that same Back2Basics midweek series). He has been racing on the UCI and PROCX circuit since 2017, has finished second in the 35-39 age group at CX National Championships and continues to be within the top 20 in the Men’s Elite field. In addition to cyclocross, Terol races mountain bike, road, gravel and criteriums.


Terol firmly believes that cycling skills are just as important as fitness, and that cycling is a lifelong journey, offering endless opportunities for growth and improvement.

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Russ Folger

Russ has been mountain bike racing since 1989. His palmarès includes Iditabike, RAAM, Haute Route Alpes, and wins at the Firecracker 50 and Dirty Kanza 200.  From the Kokopelli Trail to Tuscany, Russ has been working with amateur and professional cyclists alike since 2007.  These days he’s most likely to be found trying to keep up with the next gen of cyclists.

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Jeff Rothschild

Jeff Rothschild is a Registered Dietitian (RD) with a Master’s degree in Nutritional Science and a Board-Certified Specialist in Sports Dietetics (CSSD). His clients include multiple Olympians, State Champions, triathletes competing at World Championships, collegiate All-Americans, and professional tennis players. He also works with people trying to complete their first cycling century, improve their energy levels, and learn how they should be eating to achieve their health and performance goals. Jeff is currently doing his PhD, researching the effects of pre-exercise nutrition strategies on the adaptations to endurance training.

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Kelsey Bellanca PT, DPT, CPT, USATF L1

Growing up, Kelsey wanted nothing more than to be a professional dancer. While she worked towards achieving this goal, she also enjoyed outdoor activities such as hiking and skiing. After a knee injury while dancing at elite and professional levels, Kelsey’s experience in physical therapy led her to pursue the profession herself with the mission of helping athletes continue to perform at their desired level.
Kelsey obtained her Doctorate of Physical Therapy in 2016 and has worked in a variety of settings including the ICU, stroke rehab, and outpatient settings, allowing her to have a thorough understanding of the experiences her clients have from the moment of injury well into their return to sports and activities. Kelsey also maintains a focus on performance optimization where she helps athletes prevent injury before it occurs while operating at their best.
Since moving to Colorado, Kelsey has fallen even more in love with the outdoors and has found cycling to be one of her favorite ways to explore, and an initial start with a love of gravel has quickly grown to love for all bikes. 
Adding bike fitting to her skillset was a natural progression, and has allowed her to have a more comprehensive understanding of and impact on the athletes she works with. 
When Kelsey isn’t working, you can find her riding, running, skiing, or exploring with her dog, Buttons.

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Stef Callens

Stef Callens is a Certified Personal Trainer and owner of Vitality Training Studio - a semi-private personal training studio in Littleton, CO. An engineer by education and after 10 years in the corporate world, Stef realized her passion is exercise, educating people on how to move better and helping them accomplish their fitness goal, regardless of what it is. She opened Vitality in 2019 to be able to provide more clients with an environment where they can feel comfortable getting stronger. Stef and the Vitality Coaches have experience training athletes and deconditioned people alike, aged pre-teen all the way up to people in their 80s!

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Laura Slavin

Laura Slavin is a multi-time State & National Champion and has raced professionally in nearly every off-road cycling discipline out there, from UCI cross-country to downhill. With an educational background in STEM, a wide range of experience in healthcare & wellness industries, and nearly a decade in coaching, Slavin offers a uniquely holistic perspective to modern day endurance coaching practices. Laura is founder of The Process Coaching where she applies science-backed training principles to a program heavily focused on fostering a strong coach-athlete feedback system, which she believes are the keys to athlete success and longevity within the sport. 

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