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Triathlon Nutrition Academy · March 26 · 15 min

Seven Nutrition Mistakes Triathletes Are Making in 2026

Are you unknowingly sabotaging your triathlon performance with your nutrition? In this episode, Advanced Sports Dietitian Taryn Richardson breaks down the 7 biggest nutrition mistakes triathletes are making in 2026 and why they’re holding you back from training hard, recovering properly and performing on race day. Some of these mistakes have been around for years, but there are a few new ones creeping in, especially with the rise of AI and tracking apps. If you’ve ever felt flat in sessions, struggled with gut issues or wondered why your race day doesn’t reflect your training, this episode is a must-listen. What you’ll learn: Why AI-generated nutrition plans can do more harm than good (and how to use them properly) The problem with macro tracking apps that ignore the bigger picture Why copying pro athletes is a fast track to frustration How leaving nutrition until race season is costing you performance The importance of fuelling for the work required instead of eating the same every day Why you need to train your gut like you train your body The real reason investing in your nutrition education changes everything Nutrition isn’t the last piece of the puzzle, it’s the piece that holds everything together. If you’re not fuelling properly, you’re leaving performance on the table no matter how good your training plan is. Chapters: 00:00 - Introduction: What’s changed in triathlon nutrition in 2026 01:50 - Mistake #1: Blindly following AI-generated plans 04:50 - Mistake #2: Relying on macro tracking apps without context 10:10 - Mistake #3: Copying what the pros do 13:20 - Mistake #4: Leaving nutrition until race season 15:50 - Mistake #5: Eating the same every day 18:20 - Mistake #6: Not training your gut for race day 20:30 - Mistake #7: Trying to figure it all out on your own Links & Resources: Join the Triathlon Nutrition Academy waitlist: https://www.dietitianapproved.com/academy Listen to Episode 224: The Problem with Outsourcing Your Nutrition to AI Grab your free Triathlon Nutrition Checklist: https://www.dietitianapproved.com/checklist Ready to take action? If you saw yourself in any of these mistakes, that’s your sign to do something about it. The Triathlon Nutrition Academy is opening soon. This is your chance to stop guessing, start fuelling properly and finally unlock your performance. Get on the waitlist now: https://www.dietitianapproved.com/academy Other Links & Resources Download the FREE audio series The 5 Biggest Nutrition Mistakes Costing You Time on Race Day SUPPORT THE PODCAST HERE CONNECT WITH TARYN Website | Instagram | Facebook | YouTube The Triathlon Nutrition Academy® is a podcast by Dietitian Approved®. All rights reserved. See omnystudio.com/listener for privacy information.

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show notes

Are you unknowingly sabotaging your triathlon performance with your nutrition?

In this episode, Advanced Sports Dietitian Taryn Richardson breaks down the 7 biggest nutrition mistakes triathletes are making in 2026 and why they’re holding you back from training hard, recovering properly and performing on race day.

Some of these mistakes have been around for years, but there are a few new ones creeping in, especially with the rise of AI and tracking apps. If you’ve ever felt flat in sessions, struggled with gut issues or wondered why your race day doesn’t reflect your training, this episode is a must-listen.

 What you’ll learn:

  • Why AI-generated nutrition plans can do more harm than good (and how to use them properly)

  • The problem with macro tracking apps that ignore the bigger picture

  • Why copying pro athletes is a fast track to frustration

  • How leaving nutrition until race season is costing you performance

  • The importance of fuelling for the work required instead of eating the same every day

  • Why you need to train your gut like you train your body

  • The real reason investing in your nutrition education changes everything

Nutrition isn’t the last piece of the puzzle, it’s the piece that holds everything together.
If you’re not fuelling properly, you’re leaving performance on the table no matter how good your training plan is.

Chapters:

  • 00:00 - Introduction: What’s changed in triathlon nutrition in 2026

  • 01:50 - Mistake #1: Blindly following AI-generated plans

  • 04:50 - Mistake #2: Relying on macro tracking apps without context

  • 10:10 - Mistake #3: Copying what the pros do

  • 13:20 - Mistake #4: Leaving nutrition until race season

  • 15:50 - Mistake #5: Eating the same every day

  • 18:20 - Mistake #6: Not training your gut for race day

  • 20:30 - Mistake #7: Trying to figure it all out on your own

 Links & Resources:

Ready to take action?

If you saw yourself in any of these mistakes, that’s your sign to do something about it.

The Triathlon Nutrition Academy is opening soon. This is your chance to stop guessing, start fuelling properly and finally unlock your performance.

 Get on the waitlist now: https://www.dietitianapproved.com/academy

Other Links & Resources

Download the FREE audio series The 5 Biggest Nutrition Mistakes Costing You Time on Race Day

SUPPORT THE PODCAST HERE

CONNECT WITH TARYN

Website | Instagram | Facebook | YouTube

The Triathlon Nutrition Academy® is a podcast by Dietitian Approved®. All rights reserved.

See omnystudio.com/listener for privacy information.

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