This week on the Wellness Series, I’m joined by Claire Shorenstein, a board-certified sports dietitian who’s spent over a decade helping active people fuel their bodies to feel strong and perform their best. Claire is also a passionate trail and ultrarunner, a mom of two, and the host of the Eat for Endurance podcast.

Claire’s own experience struggling to fuel properly as a new runner led her to change careers and devote her work to helping others do it better. In our conversation, she shares practical guidance for athletes of all levels—whether you’re training for your first 5K or your tenth ultra—on how to approach nutrition to support your running, recovery, and overall wellness.

This was such a fun and informative conversation, and I hope it leaves you feeling more confident about fueling your body to feel well and run well.

What we discussed:

Claire’s path from classical musician/oboe player (Yale) to sports dietitian & endurance runner

Her philosophy: looking at the “whole person” (life landscape, health history, lab work, lifestyle)

Balancing everyday nutrition with training & race-day fueling

Common mistakes endurance athletes make — especially under-eating carbs

Tracking food intake without triggering disordered-eating tendencies

Protein, carbs & fueling as we age: peri/menopause, bone health, energy availability

Athlete performance plates & learning what “enough” really looks like

Her advice for new marathoners: start by adding more carbs and always fuel before/after workouts

Media Recommended:

Eat for Endurance podcast – eatforendurance.com

Book: Practical Fueling for Endurance Athletes by Kylie Van Horn

Claire’s IG: @eatforendurance

Kylie’s IG: @flynutrition3

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