Nancy Clark

Nancy Clark, MS, RD, CSSD

Sports Dietitian in Private Practice in the Boston-area

Author of Nancy Clark’s Sports Nutrition Guidebook and Food Guide for Marathoners: Tips for Everyday Champions

Co-author of Cyclist’s Food Guide: Fueling for the Distance

Facebook: @nclarkrd

Twitter: @nclarkrd

How did you get started in your career?

I have always loved the outdoors–biking, hiking, skiing–and wanted to learn more about how to connect nutrition with exercise. I combined my nutrition degree with courses in exercise physiology, and then started working at SportsMedicine Brookline, one of the largest sports medicine clinics in the Boston area. More recently, I have opened my private practice in Newton, Massachusetts (just outside of Boston).

Initially, I thought my practice would consist of athletes wanting to bulk up, but the people who came to see me tended to be struggling with food, weight and exercise. Through the years, my practice has evolved to have a strong following of active people (both athletes and compulsive exercisers) who want help finding peace with food and their bodies.

What advice would you give to someone new to the field?

Educate yourself about to best help sports-active people who struggle with finding the right balance of food and exercise. Read books about compulsive exercisers, listen to webinars and podcasts on eating disorders (visit, and attend lots of conferences that address both eating disorders and sports nutrition.

Sports Nutrition Guidebook

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Food Guide for Marathoners

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The Cyclist’s Food Guide

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Food Guide for Women’s Soccer

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Food Guide for New Runners

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Home Study CEUs for Sports Nutrition Guidebook

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