Get to know me
I'm a Board-Certified Sports Dietitian (MS RD CSSD) with over a decade of experience helping active people achieve their nutrition, health, and fitness goals. I'm also a longtime endurance athlete, with a passion for trail and ultra running.
I spent my first two years as a dietitian working in a hospital, counseling patients with acute and chronic medical problems. The clinical setting wasn't my cup of tea, but it taught me how to support an athlete as a whole person.
I've worked as a sports dietitian in private practice ever since, helping countless teenage and adult clients overcome their nutrition challenges. I would love to teach you how to fuel for long-term health and performance, so that you can do what you enjoy for as long as possible!
Hi! I'm Claire Shorenstein.
I first fell in love with running as a member of my high school’s cross-country team. As someone who focused intensely on academics and music, I never considered myself very athletic. Turns out I found immense joy in exercise and competition!
I discovered distance running 10 years later while living in London, and it changed my life. I felt stuck in a corporate job that I hated, and marathon training gave me a sense of purpose. It also inspired me to become a running coach and Sports Dietitian.
My Story
As a new endurance athlete, I had NO clue how to fuel myself. My eating disorder that I had as a teenager and young adult was behind me. However, I still struggled with disordered eating thoughts and behaviors and obsessed about my weight.
This was partially because I believed the BS that "lighter = faster." I didn't realize that weight is just one among MANY different factors that impact athletic performance. I also had no idea how much energy my body needed to be healthy and perform well.
The result was chronic underfueling, which led me to feel and run like crap while sucking all the fun out of my hobby. I struggled with burnout, fatigue, injury, poor performance, and a host of other negative mental and physical symptoms.
It took a lot of time and work on my own nutrition, body image, and mindset, but it has paid off big time.
Instead of eating the bare minimum to scrape by, I learned to embrace fueling myself to my full potential. My running mojo came back. My gut stopped being pissed off all the time. My mood and health markers improved. I even hit some PRs!
All of this continues to be a work in progress, as the body (and life generally) keeps changing. It's 100% worth the effort.
The nutrition space can be confusing, overwhelming, and at times, contradictory. I help you navigate YOUR unique world and keep things as simple as possible to set you up for success.
I offer a variety of nutrition services that will help you create and implement a personalized, flexible, and sustainable nutrition plan that works for YOU, as a human first and athlete second.
Ready to transform your nutrition, health, and performance?
Nutrition doesn't need to be so hard
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Master of Science in Clinical Nutrition from New York University
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Registered Dietitian (RD) since 2014
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Board Certification as a Specialist in Sports Dietetics (CSSD)
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New-York State Certified Dietitian Nutritionist (CDN)
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Relative Energy Deficiency in Sport (RED-S) informed provider
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Road Runners Club of America (RRCA) Coaching Certification
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Bachelor of Arts in Humanities from Yale University
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Master of Music in Oboe Performance from Yale School of Music
My Education & Credentials
Over the last 30 years, I've competed in numerous solo and team events from the 3km to 50-mile distance. You can read about or listen to some of my more recent running adventures below:
A little more about me
After 20 years on the East Coast (15 years in NYC) and 4 years in London, I now live in my hometown of Aptos, CA with my husband and two girls.
Here are a few more random facts about me:
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I used to be a highly-trained classical oboist, but stopped playing after getting my Master of Music (cue identity crisis)
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In 2006, I quit my legal job in NYC and backpacked solo around South America for 8 months (aka my "quarter life crisis trip")
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Other than running, I like to hunt for sea glass, garden, hike, swim, accidentally kill my house plants, and do arts & crafts
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I used to enjoy cooking and baking, until I had kids
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My favorite evening snack is cereal (at least 2 kinds) + milk