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May 1
1 h

222: Triathlon & Ironman Nutrition Tacti...

Lindsey Elizabeth Cortes, The Radcast Network
About this episode

In this episode of the Female Athlete Nutrition Podcast, host Lindsey Elizabeth Cortes interviews sports dietitian and endurance athlete Alex Larson. The discussion focuses on nutritional strategies for female endurance athletes, particularly those participating in triathlons and Ironman races. Key topics include the importance of fueling correctly on the bike, managing sodium and electrolyte levels, the challenges faced by female athletes in balancing training with other life demands, and the benefits of working with specialized dieticians. Real-world insights on the logistics of race-day nutrition and hydration from Alex's professional and personal experiences are shared, highlighting practical advice for athletes aiming to optimize performance while maintaining a positive relationship with food.

Episode Highlights:

  • 01:22 Meet Alex Larson: Dietician and Endurance Athlete
  • 02:25 Triathlon and Ironman Nutrition Strategies
  • 03:54 The Bike is the Buffet: Fueling Tactics
  • 04:22 Challenges and Logistics of Triathlon Nutrition
  • 24:44 Real Food vs. Liquid Fuel: Pros and Cons
  • 28:45 Gender Differences in Fueling Needs
  • 31:14 Fueling for Performance and Life
  • 31:33 The Female Experience with Food and Body
  • 32:11 Balancing Life and Nutrition
  • 37:58 The Importance of Sodium in Endurance Sports
  • 43:07 Electrolyte Needs and Strategies
  • 56:59 Fun Rapid-Fire Questions
  • 58:47 Conclusion and Resources


Alex Larson is a registered dietitian, endurance athlete, and founder of Alex Larson Nutrition. She specializes in helping runners, cyclists, and triathletes optimize their nutrition for peak performance, leaner body composition, and sustained energy, all while cultivating a positive relationship with food.

As an Ironman finisher and mom of three, Alex blends personal experience with professional expertise to deliver science-backed, approachable strategies that work in the real world. Through her 1-on-1 nutrition coaching, Endurance Eats podcast, and her Instagram, Alex inspires athletes to fuel confidently and reach their goals with joy.

Find Alex on Instagram @alexlarsonnutrition, and her website at alexlarsonnutrition.com

For more information about the show, head to work with Lindsey on improving your nutrition, head to:

http://www.lindseycortes.com/

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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