Tread Lightly Running Podcast Running for Weight Loss: What an Dietitian Wants You to Know with Lydia Nader-Urdiales
Sep 13, 2025
Lydia Nader-Urdiales, a registered dietitian and endurance athlete, shares her expertise on weight loss for runners. She challenges common myths, emphasizing that weight loss can occur without jeopardizing performance or increasing injury risk. Lydia discusses the importance of body positivity, safe fueling during runs, and the complexities of weight fluctuations in marathon training. She also highlights the significance of nutritional quality, common pitfalls to avoid, and the unique nutrition needs of runners, urging a focus on health over the scale.
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Balance Body Positivity With Goals
- Body positivity and weight-loss goals can coexist and don't need to be mutually exclusive.
- Lydia recommends blending intuitive eating and sports nutrition to balance health and performance.
You Can Marathon Train And Lose Weight
- Yes—you can train for a marathon and lose weight at the same time.
- Plan nutrition and deficits carefully so training days are not underfueled.
Protect Quality Workouts From Big Deficits
- Avoid large daily deficits; protect energy on key quality and long-run days.
- Use small deficits (≈200 kcal) on easier days instead of a constant 500 kcal cut.