Ashley Leone

About

Ashley Leone, RD is a Toronto-based sports dietitian and the founder of Gazelle Nutrition Lab, specializing in performance nutrition for competitive athletes aged 18–30. She works with high school, collegiate, university, and sub-elite athletes who want to train harder, recover faster, and compete at their highest level.

Ashley supports athletes competing in track and field, cross country, road running, triathlon, alpine skiing, basketball, soccer, and endurance sports, including those advancing to upper-league high school play, NCAA Division I programs, and elite development pathways. Her athletes have achieved age-group all-time records, earned selection to World Cross Country Championships, and used strategic fueling to perform at championship-level competitions.

Her nutrition coaching is grounded in sports science and real-world application, with a focus on personalized fueling strategies that match training load, competition demands, and long-term athlete development. Ashley helps athletes optimize carbohydrate intake, hydration and electrolytes, race-day fueling, gut training, recovery nutrition, and body composition, so performance doesn’t fall apart under pressure.

Ashley is known for turning complex sports nutrition into clear, practical plans that athletes can actually execute during busy training schedules and school demands. Her approach removes guesswork and replaces it with confidence, consistency, and measurable performance gains.

As a competitive endurance athlete herself, Ashley understands the demands of high-volume training and race-day execution. She has competed in marathons and ultramarathons, including Big Sur Marathon and Golden Ultra, and brings both professional expertise and lived experience to every athlete she works with.

Whether you are a high school athlete preparing for the next level, a college or university athlete managing heavy training loads, or a sub-elite endurance athlete chasing breakthrough performances, Ashley provides evidence-based sports nutrition coaching designed to support both immediate results and long-term success.

Fuel with intention. Train with confidence. Perform when it counts.